Home / 1,431,503,419.56-2,147,876,911.30-776,916,909.96

Finding the Fourth Proportional to 1,431,503,419.56, 2,147,876,911.30 and 776,916,909.96

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Solution

The fourth proportional to 1,431,503,419.56, 2,147,876,911.30 and 776,916,909.96 is: 1,165,712,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,503,419.56 : 2,147,876,911.30 = 776,916,909.96 : x
  2. Step 2: Convert to fraction form
    1,431,503,419.56/2,147,876,911.30 = 776,916,909.96/x
  3. Step 3: Cross multiply
    1,431,503,419.56x = 2,147,876,911.30 × 776,916,909.96
  4. Step 4: Simplify right side
    1,431,503,419.56x = 1,668,721,892,901,625,344
  5. Step 5: Solve for x
    x = 1,668,721,892,901,625,344/1,431,503,419.56
  6. Step 6: Final answer
    x = 1,165,712,823.39

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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.