Home / 1,288,254,442.20-1,932,381,663.30-597,932,266.20

Finding the Fourth Proportional to 1,288,254,442.20, 1,932,381,663.30 and 597,932,266.20

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Solution

The fourth proportional to 1,288,254,442.20, 1,932,381,663.30 and 597,932,266.20 is: 896,898,399.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288,254,442.20 : 1,932,381,663.30 = 597,932,266.20 : x
  2. Step 2: Convert to fraction form
    1,288,254,442.20/1,932,381,663.30 = 597,932,266.20/x
  3. Step 3: Cross multiply
    1,288,254,442.20x = 1,932,381,663.30 × 597,932,266.20
  4. Step 4: Simplify right side
    1,288,254,442.20x = 1,155,433,347,100,294,400
  5. Step 5: Solve for x
    x = 1,155,433,347,100,294,400/1,288,254,442.20
  6. Step 6: Final answer
    x = 896,898,399.30

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Double scale
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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.