Home / 1,013,645,388.52-1,398,830,648.10-550,071,372.52

Finding the Fourth Proportional to 1,013,645,388.52, 1,398,830,648.10 and 550,071,372.52

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Solution

The fourth proportional to 1,013,645,388.52, 1,398,830,648.10 and 550,071,372.52 is: 759,098,500.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,645,388.52 : 1,398,830,648.10 = 550,071,372.52 : x
  2. Step 2: Convert to fraction form
    1,013,645,388.52/1,398,830,648.10 = 550,071,372.52/x
  3. Step 3: Cross multiply
    1,013,645,388.52x = 1,398,830,648.10 × 550,071,372.52
  4. Step 4: Simplify right side
    1,013,645,388.52x = 769,456,694,523,408,000
  5. Step 5: Solve for x
    x = 769,456,694,523,408,000/1,013,645,388.52
  6. Step 6: Final answer
    x = 759,098,500.56

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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.