Home / 531,982,338.85-734,181,006.32-297,078,380.20

Finding the Fourth Proportional to 531,982,338.85, 734,181,006.32 and 297,078,380.20

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Solution

The fourth proportional to 531,982,338.85, 734,181,006.32 and 297,078,380.20 is: 409,993,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,982,338.85 : 734,181,006.32 = 297,078,380.20 : x
  2. Step 2: Convert to fraction form
    531,982,338.85/734,181,006.32 = 297,078,380.20/x
  3. Step 3: Cross multiply
    531,982,338.85x = 734,181,006.32 × 297,078,380.20
  4. Step 4: Simplify right side
    531,982,338.85x = 218,109,304,131,151,584
  5. Step 5: Solve for x
    x = 218,109,304,131,151,584/531,982,338.85
  6. Step 6: Final answer
    x = 409,993,505.80

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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.