Home / 418,176,502.80-627,264,754.20-402,304,131.60

Finding the Fourth Proportional to 418,176,502.80, 627,264,754.20 and 402,304,131.60

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Solution

The fourth proportional to 418,176,502.80, 627,264,754.20 and 402,304,131.60 is: 603,456,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,176,502.80 : 627,264,754.20 = 402,304,131.60 : x
  2. Step 2: Convert to fraction form
    418,176,502.80/627,264,754.20 = 402,304,131.60/x
  3. Step 3: Cross multiply
    418,176,502.80x = 627,264,754.20 × 402,304,131.60
  4. Step 4: Simplify right side
    418,176,502.80x = 252,351,202,221,718,496
  5. Step 5: Solve for x
    x = 252,351,202,221,718,496/418,176,502.80
  6. Step 6: Final answer
    x = 603,456,197.40

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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.