Home / 1,485,672,002.40-2,223,217,213.20-1,293,691,893.60

Finding the Fourth Proportional to 1,485,672,002.40, 2,223,217,213.20 and 1,293,691,893.60

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Solution

The fourth proportional to 1,485,672,002.40, 2,223,217,213.20 and 1,293,691,893.60 is: 1,935,930,731.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,672,002.40 : 2,223,217,213.20 = 1,293,691,893.60 : x
  2. Step 2: Convert to fraction form
    1,485,672,002.40/2,223,217,213.20 = 1,293,691,893.60/x
  3. Step 3: Cross multiply
    1,485,672,002.40x = 2,223,217,213.20 × 1,293,691,893.60
  4. Step 4: Simplify right side
    1,485,672,002.40x = 2,876,158,086,428,822,528
  5. Step 5: Solve for x
    x = 2,876,158,086,428,822,528/1,485,672,002.40
  6. Step 6: Final answer
    x = 1,935,930,731.54

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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.