Home / 571,441,421.38-857,070,307.17-156,821,388.34

Finding the Fourth Proportional to 571,441,421.38, 857,070,307.17 and 156,821,388.34

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Solution

The fourth proportional to 571,441,421.38, 857,070,307.17 and 156,821,388.34 is: 235,206,882.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,441,421.38 : 857,070,307.17 = 156,821,388.34 : x
  2. Step 2: Convert to fraction form
    571,441,421.38/857,070,307.17 = 156,821,388.34/x
  3. Step 3: Cross multiply
    571,441,421.38x = 857,070,307.17 × 156,821,388.34
  4. Step 4: Simplify right side
    571,441,421.38x = 134,406,955,475,389,648
  5. Step 5: Solve for x
    x = 134,406,955,475,389,648/571,441,421.38
  6. Step 6: Final answer
    x = 235,206,882.89

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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.