Home / 748,977,784.80-1,123,466,677.20-658,278,520.80

Finding the Fourth Proportional to 748,977,784.80, 1,123,466,677.20 and 658,278,520.80

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Solution

The fourth proportional to 748,977,784.80, 1,123,466,677.20 and 658,278,520.80 is: 987,417,781.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,977,784.80 : 1,123,466,677.20 = 658,278,520.80 : x
  2. Step 2: Convert to fraction form
    748,977,784.80/1,123,466,677.20 = 658,278,520.80/x
  3. Step 3: Cross multiply
    748,977,784.80x = 1,123,466,677.20 × 658,278,520.80
  4. Step 4: Simplify right side
    748,977,784.80x = 739,553,982,435,307,008
  5. Step 5: Solve for x
    x = 739,553,982,435,307,008/748,977,784.80
  6. Step 6: Final answer
    x = 987,417,781.20

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Double scale
Find fourth proportional to 748,977,785.80, 1,123,466,678.70 and 658,278,521.80
Similar ratio
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1.5x scale

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.