Home / 672,211,533.10-1,008,317,299.65-611,946,123.70

Finding the Fourth Proportional to 672,211,533.10, 1,008,317,299.65 and 611,946,123.70

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Solution

The fourth proportional to 672,211,533.10, 1,008,317,299.65 and 611,946,123.70 is: 917,919,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,211,533.10 : 1,008,317,299.65 = 611,946,123.70 : x
  2. Step 2: Convert to fraction form
    672,211,533.10/1,008,317,299.65 = 611,946,123.70/x
  3. Step 3: Cross multiply
    672,211,533.10x = 1,008,317,299.65 × 611,946,123.70
  4. Step 4: Simplify right side
    672,211,533.10x = 617,035,862,980,468,864
  5. Step 5: Solve for x
    x = 617,035,862,980,468,864/672,211,533.10
  6. Step 6: Final answer
    x = 917,919,185.55

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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.