Home / 1,344,293,818.20-2,018,078,352.90-853,006,138.20

Finding the Fourth Proportional to 1,344,293,818.20, 2,018,078,352.90 and 853,006,138.20

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Solution

The fourth proportional to 1,344,293,818.20, 2,018,078,352.90 and 853,006,138.20 is: 1,280,548,343.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,293,818.20 : 2,018,078,352.90 = 853,006,138.20 : x
  2. Step 2: Convert to fraction form
    1,344,293,818.20/2,018,078,352.90 = 853,006,138.20/x
  3. Step 3: Cross multiply
    1,344,293,818.20x = 2,018,078,352.90 × 853,006,138.20
  4. Step 4: Simplify right side
    1,344,293,818.20x = 1,721,433,222,392,246,016
  5. Step 5: Solve for x
    x = 1,721,433,222,392,246,016/1,344,293,818.20
  6. Step 6: Final answer
    x = 1,280,548,343.74

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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.