Home / 520,434,489.48-718,192,895.04-297,413,617.20

Finding the Fourth Proportional to 520,434,489.48, 718,192,895.04 and 297,413,617.20

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Solution

The fourth proportional to 520,434,489.48, 718,192,895.04 and 297,413,617.20 is: 410,426,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,434,489.48 : 718,192,895.04 = 297,413,617.20 : x
  2. Step 2: Convert to fraction form
    520,434,489.48/718,192,895.04 = 297,413,617.20/x
  3. Step 3: Cross multiply
    520,434,489.48x = 718,192,895.04 × 297,413,617.20
  4. Step 4: Simplify right side
    520,434,489.48x = 213,600,346,761,186,304
  5. Step 5: Solve for x
    x = 213,600,346,761,186,304/520,434,489.48
  6. Step 6: Final answer
    x = 410,426,962.62

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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.