Home / 418,439,604-577,451,965.92-230,289,561.12

Finding the Fourth Proportional to 418,439,604, 577,451,965.92 and 230,289,561.12

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Solution

The fourth proportional to 418,439,604, 577,451,965.92 and 230,289,561.12 is: 317,802,518.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,439,604 : 577,451,965.92 = 230,289,561.12 : x
  2. Step 2: Convert to fraction form
    418,439,604/577,451,965.92 = 230,289,561.12/x
  3. Step 3: Cross multiply
    418,439,604x = 577,451,965.92 × 230,289,561.12
  4. Step 4: Simplify right side
    418,439,604x = 132,981,159,799,597,984
  5. Step 5: Solve for x
    x = 132,981,159,799,597,984/418,439,604
  6. Step 6: Final answer
    x = 317,802,518.04

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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.