Home / 1,359,929,789.40-2,039,894,684.10-1,251,090,672.60

Finding the Fourth Proportional to 1,359,929,789.40, 2,039,894,684.10 and 1,251,090,672.60

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Solution

The fourth proportional to 1,359,929,789.40, 2,039,894,684.10 and 1,251,090,672.60 is: 1,876,636,008.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,359,929,789.40 : 2,039,894,684.10 = 1,251,090,672.60 : x
  2. Step 2: Convert to fraction form
    1,359,929,789.40/2,039,894,684.10 = 1,251,090,672.60/x
  3. Step 3: Cross multiply
    1,359,929,789.40x = 2,039,894,684.10 × 1,251,090,672.60
  4. Step 4: Simplify right side
    1,359,929,789.40x = 2,552,093,212,363,833,344
  5. Step 5: Solve for x
    x = 2,552,093,212,363,833,344/1,359,929,789.40
  6. Step 6: Final answer
    x = 1,876,636,008.90

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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.