Home / 571,441,412.86-857,070,294.45-156,821,379.82

Finding the Fourth Proportional to 571,441,412.86, 857,070,294.45 and 156,821,379.82

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Solution

The fourth proportional to 571,441,412.86, 857,070,294.45 and 156,821,379.82 is: 235,206,870.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,441,412.86 : 857,070,294.45 = 156,821,379.82 : x
  2. Step 2: Convert to fraction form
    571,441,412.86/857,070,294.45 = 156,821,379.82/x
  3. Step 3: Cross multiply
    571,441,412.86x = 857,070,294.45 × 156,821,379.82
  4. Step 4: Simplify right side
    571,441,412.86x = 134,406,946,175,656,640
  5. Step 5: Solve for x
    x = 134,406,946,175,656,640/571,441,412.86
  6. Step 6: Final answer
    x = 235,206,870.12

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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.