Home / 1,067,691,333.10-1,601,536,999.65-838,367,761.90

Finding the Fourth Proportional to 1,067,691,333.10, 1,601,536,999.65 and 838,367,761.90

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Solution

The fourth proportional to 1,067,691,333.10, 1,601,536,999.65 and 838,367,761.90 is: 1,257,551,642.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,067,691,333.10 : 1,601,536,999.65 = 838,367,761.90 : x
  2. Step 2: Convert to fraction form
    1,067,691,333.10/1,601,536,999.65 = 838,367,761.90/x
  3. Step 3: Cross multiply
    1,067,691,333.10x = 1,601,536,999.65 × 838,367,761.90
  4. Step 4: Simplify right side
    1,067,691,333.10x = 1,342,676,989,996,611,584
  5. Step 5: Solve for x
    x = 1,342,676,989,996,611,584/1,067,691,333.10
  6. Step 6: Final answer
    x = 1,257,551,642.85

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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.