Home / 571,441,420.88-857,070,306.42-156,821,387.84

Finding the Fourth Proportional to 571,441,420.88, 857,070,306.42 and 156,821,387.84

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Solution

The fourth proportional to 571,441,420.88, 857,070,306.42 and 156,821,387.84 is: 235,206,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,441,420.88 : 857,070,306.42 = 156,821,387.84 : x
  2. Step 2: Convert to fraction form
    571,441,420.88/857,070,306.42 = 156,821,387.84/x
  3. Step 3: Cross multiply
    571,441,420.88x = 857,070,306.42 × 156,821,387.84
  4. Step 4: Simplify right side
    571,441,420.88x = 134,406,954,929,238,464
  5. Step 5: Solve for x
    x = 134,406,954,929,238,464/571,441,420.88
  6. Step 6: Final answer
    x = 235,206,882.14

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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.