Home / 515,164,801.20-710,862,760.44-348,264,114.90

Finding the Fourth Proportional to 515,164,801.20, 710,862,760.44 and 348,264,114.90

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Solution

The fourth proportional to 515,164,801.20, 710,862,760.44 and 348,264,114.90 is: 480,560,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,164,801.20 : 710,862,760.44 = 348,264,114.90 : x
  2. Step 2: Convert to fraction form
    515,164,801.20/710,862,760.44 = 348,264,114.90/x
  3. Step 3: Cross multiply
    515,164,801.20x = 710,862,760.44 × 348,264,114.90
  4. Step 4: Simplify right side
    515,164,801.20x = 247,567,990,080,007,328
  5. Step 5: Solve for x
    x = 247,567,990,080,007,328/515,164,801.20
  6. Step 6: Final answer
    x = 480,560,763.28

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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.