Home / 542,284,992.27-748,435,092.02-330,714,565.83

Finding the Fourth Proportional to 542,284,992.27, 748,435,092.02 and 330,714,565.83

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Solution

The fourth proportional to 542,284,992.27, 748,435,092.02 and 330,714,565.83 is: 456,435,988.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,284,992.27 : 748,435,092.02 = 330,714,565.83 : x
  2. Step 2: Convert to fraction form
    542,284,992.27/748,435,092.02 = 330,714,565.83/x
  3. Step 3: Cross multiply
    542,284,992.27x = 748,435,092.02 × 330,714,565.83
  4. Step 4: Simplify right side
    542,284,992.27x = 247,518,386,507,676,800
  5. Step 5: Solve for x
    x = 247,518,386,507,676,800/542,284,992.27
  6. Step 6: Final answer
    x = 456,435,988.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.