Home / 2,123,641,152,101.70-3,185,461,728,152.50-2,123,641,152,101.70

Finding the Fourth Proportional to 2,123,641,152,101.70, 3,185,461,728,152.50 and 2,123,641,152,101.70

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Solution

The fourth proportional to 2,123,641,152,101.70, 3,185,461,728,152.50 and 2,123,641,152,101.70 is: 3,185,461,728,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,123,641,152,101.70 : 3,185,461,728,152.50 = 2,123,641,152,101.70 : x
  2. Step 2: Convert to fraction form
    2,123,641,152,101.70/3,185,461,728,152.50 = 2,123,641,152,101.70/x
  3. Step 3: Cross multiply
    2,123,641,152,101.70x = 3,185,461,728,152.50 × 2,123,641,152,101.70
  4. Step 4: Simplify right side
    2,123,641,152,101.70x = 6,764,777,614,349,647,145,336,832
  5. Step 5: Solve for x
    x = 6,764,777,614,349,647,145,336,832/2,123,641,152,101.70
  6. Step 6: Final answer
    x = 3,185,461,728,152.50

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Double scale
Find fourth proportional to 2,123,641,152,102.70, 3,185,461,728,154 and 2,123,641,152,102.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.