Home / 1,345,070,691.76-1,856,566,793.10-780,737,381.83

Finding the Fourth Proportional to 1,345,070,691.76, 1,856,566,793.10 and 780,737,381.83

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Solution

The fourth proportional to 1,345,070,691.76, 1,856,566,793.10 and 780,737,381.83 is: 1,077,631,908.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,070,691.76 : 1,856,566,793.10 = 780,737,381.83 : x
  2. Step 2: Convert to fraction form
    1,345,070,691.76/1,856,566,793.10 = 780,737,381.83/x
  3. Step 3: Cross multiply
    1,345,070,691.76x = 1,856,566,793.10 × 780,737,381.83
  4. Step 4: Simplify right side
    1,345,070,691.76x = 1,449,491,097,230,810,368
  5. Step 5: Solve for x
    x = 1,449,491,097,230,810,368/1,345,070,691.76
  6. Step 6: Final answer
    x = 1,077,631,908.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.