Home / 542,284,947.97-748,435,030.91-330,714,521.50

Finding the Fourth Proportional to 542,284,947.97, 748,435,030.91 and 330,714,521.50

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Solution

The fourth proportional to 542,284,947.97, 748,435,030.91 and 330,714,521.50 is: 456,435,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,284,947.97 : 748,435,030.91 = 330,714,521.50 : x
  2. Step 2: Convert to fraction form
    542,284,947.97/748,435,030.91 = 330,714,521.50/x
  3. Step 3: Cross multiply
    542,284,947.97x = 748,435,030.91 × 330,714,521.50
  4. Step 4: Simplify right side
    542,284,947.97x = 247,518,333,121,238,336
  5. Step 5: Solve for x
    x = 247,518,333,121,238,336/542,284,947.97
  6. Step 6: Final answer
    x = 456,435,927.36

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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.