Home / 762,912,118.20-1,144,368,177.30-394,446,358.20

Finding the Fourth Proportional to 762,912,118.20, 1,144,368,177.30 and 394,446,358.20

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Solution

The fourth proportional to 762,912,118.20, 1,144,368,177.30 and 394,446,358.20 is: 591,669,537.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,912,118.20 : 1,144,368,177.30 = 394,446,358.20 : x
  2. Step 2: Convert to fraction form
    762,912,118.20/1,144,368,177.30 = 394,446,358.20/x
  3. Step 3: Cross multiply
    762,912,118.20x = 1,144,368,177.30 × 394,446,358.20
  4. Step 4: Simplify right side
    762,912,118.20x = 451,391,859,975,956,864
  5. Step 5: Solve for x
    x = 451,391,859,975,956,864/762,912,118.20
  6. Step 6: Final answer
    x = 591,669,537.30

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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.