Home / 579,456,844.20-869,185,266.30-148,635,340.20

Finding the Fourth Proportional to 579,456,844.20, 869,185,266.30 and 148,635,340.20

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Solution

The fourth proportional to 579,456,844.20, 869,185,266.30 and 148,635,340.20 is: 222,953,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,456,844.20 : 869,185,266.30 = 148,635,340.20 : x
  2. Step 2: Convert to fraction form
    579,456,844.20/869,185,266.30 = 148,635,340.20/x
  3. Step 3: Cross multiply
    579,456,844.20x = 869,185,266.30 × 148,635,340.20
  4. Step 4: Simplify right side
    579,456,844.20x = 129,191,647,753,328,080
  5. Step 5: Solve for x
    x = 129,191,647,753,328,080/579,456,844.20
  6. Step 6: Final answer
    x = 222,953,010.30

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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.