Home / 1,366,321,277.81-1,885,524,253.05-739,790,130.17

Finding the Fourth Proportional to 1,366,321,277.81, 1,885,524,253.05 and 739,790,130.17

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Solution

The fourth proportional to 1,366,321,277.81, 1,885,524,253.05 and 739,790,130.17 is: 1,020,910,861.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,321,277.81 : 1,885,524,253.05 = 739,790,130.17 : x
  2. Step 2: Convert to fraction form
    1,366,321,277.81/1,885,524,253.05 = 739,790,130.17/x
  3. Step 3: Cross multiply
    1,366,321,277.81x = 1,885,524,253.05 × 739,790,130.17
  4. Step 4: Simplify right side
    1,366,321,277.81x = 1,394,892,232,593,123,840
  5. Step 5: Solve for x
    x = 1,394,892,232,593,123,840/1,366,321,277.81
  6. Step 6: Final answer
    x = 1,020,910,861.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.