Home / 891,507,652.80-1,337,261,479.20-560,047,901.10

Finding the Fourth Proportional to 891,507,652.80, 1,337,261,479.20 and 560,047,901.10

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Solution

The fourth proportional to 891,507,652.80, 1,337,261,479.20 and 560,047,901.10 is: 840,071,851.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,507,652.80 : 1,337,261,479.20 = 560,047,901.10 : x
  2. Step 2: Convert to fraction form
    891,507,652.80/1,337,261,479.20 = 560,047,901.10/x
  3. Step 3: Cross multiply
    891,507,652.80x = 1,337,261,479.20 × 560,047,901.10
  4. Step 4: Simplify right side
    891,507,652.80x = 748,930,484,647,841,408
  5. Step 5: Solve for x
    x = 748,930,484,647,841,408/891,507,652.80
  6. Step 6: Final answer
    x = 840,071,851.65

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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.