Home / 662,971,337.90-994,457,006.85-404,691,011.90

Finding the Fourth Proportional to 662,971,337.90, 994,457,006.85 and 404,691,011.90

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Solution

The fourth proportional to 662,971,337.90, 994,457,006.85 and 404,691,011.90 is: 607,036,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,971,337.90 : 994,457,006.85 = 404,691,011.90 : x
  2. Step 2: Convert to fraction form
    662,971,337.90/994,457,006.85 = 404,691,011.90/x
  3. Step 3: Cross multiply
    662,971,337.90x = 994,457,006.85 × 404,691,011.90
  4. Step 4: Simplify right side
    662,971,337.90x = 402,447,812,393,171,712
  5. Step 5: Solve for x
    x = 402,447,812,393,171,712/662,971,337.90
  6. Step 6: Final answer
    x = 607,036,517.85

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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.