Home / 891,648,014.60-1,337,472,021.90-542,455,848.20

Finding the Fourth Proportional to 891,648,014.60, 1,337,472,021.90 and 542,455,848.20

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Solution

The fourth proportional to 891,648,014.60, 1,337,472,021.90 and 542,455,848.20 is: 813,683,772.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,648,014.60 : 1,337,472,021.90 = 542,455,848.20 : x
  2. Step 2: Convert to fraction form
    891,648,014.60/1,337,472,021.90 = 542,455,848.20/x
  3. Step 3: Cross multiply
    891,648,014.60x = 1,337,472,021.90 × 542,455,848.20
  4. Step 4: Simplify right side
    891,648,014.60x = 725,519,520,083,533,568
  5. Step 5: Solve for x
    x = 725,519,520,083,533,568/891,648,014.60
  6. Step 6: Final answer
    x = 813,683,772.30

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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.