Home / 615,496,132.80-923,244,199.20-386,172,561.60

Finding the Fourth Proportional to 615,496,132.80, 923,244,199.20 and 386,172,561.60

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Solution

The fourth proportional to 615,496,132.80, 923,244,199.20 and 386,172,561.60 is: 579,258,842.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,496,132.80 : 923,244,199.20 = 386,172,561.60 : x
  2. Step 2: Convert to fraction form
    615,496,132.80/923,244,199.20 = 386,172,561.60/x
  3. Step 3: Cross multiply
    615,496,132.80x = 923,244,199.20 × 386,172,561.60
  4. Step 4: Simplify right side
    615,496,132.80x = 356,531,577,387,404,736
  5. Step 5: Solve for x
    x = 356,531,577,387,404,736/615,496,132.80
  6. Step 6: Final answer
    x = 579,258,842.40

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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.