Home / 891,648,038.20-1,337,472,057.30-542,969,598.10

Finding the Fourth Proportional to 891,648,038.20, 1,337,472,057.30 and 542,969,598.10

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Solution

The fourth proportional to 891,648,038.20, 1,337,472,057.30 and 542,969,598.10 is: 814,454,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648,038.20 : 1,337,472,057.30 = 542,969,598.10 : x
  2. Step 2: Convert to fraction form
    891,648,038.20/1,337,472,057.30 = 542,969,598.10/x
  3. Step 3: Cross multiply
    891,648,038.20x = 1,337,472,057.30 × 542,969,598.10
  4. Step 4: Simplify right side
    891,648,038.20x = 726,206,665,422,161,152
  5. Step 5: Solve for x
    x = 726,206,665,422,161,152/891,648,038.20
  6. Step 6: Final answer
    x = 814,454,397.15

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Double scale
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Similar ratio
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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.