Home / 891,648,010.60-1,337,472,015.90-542,455,844.20

Finding the Fourth Proportional to 891,648,010.60, 1,337,472,015.90 and 542,455,844.20

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Solution

The fourth proportional to 891,648,010.60, 1,337,472,015.90 and 542,455,844.20 is: 813,683,766.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648,010.60 : 1,337,472,015.90 = 542,455,844.20 : x
  2. Step 2: Convert to fraction form
    891,648,010.60/1,337,472,015.90 = 542,455,844.20/x
  3. Step 3: Cross multiply
    891,648,010.60x = 1,337,472,015.90 × 542,455,844.20
  4. Step 4: Simplify right side
    891,648,010.60x = 725,519,511,478,910,464
  5. Step 5: Solve for x
    x = 725,519,511,478,910,464/891,648,010.60
  6. Step 6: Final answer
    x = 813,683,766.30

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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.