Home / 399,543,008.40-599,354,429.40-108,414,752.40

Finding the Fourth Proportional to 399,543,008.40, 599,354,429.40 and 108,414,752.40

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Solution

The fourth proportional to 399,543,008.40, 599,354,429.40 and 108,414,752.40 is: 162,632,959.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,543,008.40 : 599,354,429.40 = 108,414,752.40 : x
  2. Step 2: Convert to fraction form
    399,543,008.40/599,354,429.40 = 108,414,752.40/x
  3. Step 3: Cross multiply
    399,543,008.40x = 599,354,429.40 × 108,414,752.40
  4. Step 4: Simplify right side
    399,543,008.40x = 64,978,862,063,244,280
  5. Step 5: Solve for x
    x = 64,978,862,063,244,280/399,543,008.40
  6. Step 6: Final answer
    x = 162,632,959.90

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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.