Home / 891,815,999.80-1,335,173,082.90-547,442,231.80

Finding the Fourth Proportional to 891,815,999.80, 1,335,173,082.90 and 547,442,231.80

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Solution

The fourth proportional to 891,815,999.80, 1,335,173,082.90 and 547,442,231.80 is: 819,597,464.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,815,999.80 : 1,335,173,082.90 = 547,442,231.80 : x
  2. Step 2: Convert to fraction form
    891,815,999.80/1,335,173,082.90 = 547,442,231.80/x
  3. Step 3: Cross multiply
    891,815,999.80x = 1,335,173,082.90 × 547,442,231.80
  4. Step 4: Simplify right side
    891,815,999.80x = 730,930,132,342,062,464
  5. Step 5: Solve for x
    x = 730,930,132,342,062,464/891,815,999.80
  6. Step 6: Final answer
    x = 819,597,464.62

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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.