Home / 748,977,587.80-1,123,466,381.70-658,278,323.80

Finding the Fourth Proportional to 748,977,587.80, 1,123,466,381.70 and 658,278,323.80

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Solution

The fourth proportional to 748,977,587.80, 1,123,466,381.70 and 658,278,323.80 is: 987,417,485.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,977,587.80 : 1,123,466,381.70 = 658,278,323.80 : x
  2. Step 2: Convert to fraction form
    748,977,587.80/1,123,466,381.70 = 658,278,323.80/x
  3. Step 3: Cross multiply
    748,977,587.80x = 1,123,466,381.70 × 658,278,323.80
  4. Step 4: Simplify right side
    748,977,587.80x = 739,553,566,591,126,912
  5. Step 5: Solve for x
    x = 739,553,566,591,126,912/748,977,587.80
  6. Step 6: Final answer
    x = 987,417,485.70

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Double scale
Find fourth proportional to 748,977,588.80, 1,123,466,383.20 and 658,278,324.80
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.