Home / 762,912,092.70-1,144,368,139.05-394,446,332.70

Finding the Fourth Proportional to 762,912,092.70, 1,144,368,139.05 and 394,446,332.70

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Solution

The fourth proportional to 762,912,092.70, 1,144,368,139.05 and 394,446,332.70 is: 591,669,499.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,912,092.70 : 1,144,368,139.05 = 394,446,332.70 : x
  2. Step 2: Convert to fraction form
    762,912,092.70/1,144,368,139.05 = 394,446,332.70/x
  3. Step 3: Cross multiply
    762,912,092.70x = 1,144,368,139.05 × 394,446,332.70
  4. Step 4: Simplify right side
    762,912,092.70x = 451,391,815,706,996,160
  5. Step 5: Solve for x
    x = 451,391,815,706,996,160/762,912,092.70
  6. Step 6: Final answer
    x = 591,669,499.05

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Double scale
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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.