Home / 722,304,285.60-1,083,456,428.40-538,367,671.20

Finding the Fourth Proportional to 722,304,285.60, 1,083,456,428.40 and 538,367,671.20

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Solution

The fourth proportional to 722,304,285.60, 1,083,456,428.40 and 538,367,671.20 is: 807,551,506.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,304,285.60 : 1,083,456,428.40 = 538,367,671.20 : x
  2. Step 2: Convert to fraction form
    722,304,285.60/1,083,456,428.40 = 538,367,671.20/x
  3. Step 3: Cross multiply
    722,304,285.60x = 1,083,456,428.40 × 538,367,671.20
  4. Step 4: Simplify right side
    722,304,285.60x = 583,297,914,204,377,600
  5. Step 5: Solve for x
    x = 583,297,914,204,377,600/722,304,285.60
  6. Step 6: Final answer
    x = 807,551,506.80

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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.