Home / 542,284,992.52-748,435,092.36-330,714,566.08

Finding the Fourth Proportional to 542,284,992.52, 748,435,092.36 and 330,714,566.08

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Solution

The fourth proportional to 542,284,992.52, 748,435,092.36 and 330,714,566.08 is: 456,435,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,284,992.52 : 748,435,092.36 = 330,714,566.08 : x
  2. Step 2: Convert to fraction form
    542,284,992.52/748,435,092.36 = 330,714,566.08/x
  3. Step 3: Cross multiply
    542,284,992.52x = 748,435,092.36 × 330,714,566.08
  4. Step 4: Simplify right side
    542,284,992.52x = 247,518,386,808,882,112
  5. Step 5: Solve for x
    x = 247,518,386,808,882,112/542,284,992.52
  6. Step 6: Final answer
    x = 456,435,988.87

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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.