Home / 518,016,466.62-714,864,627.90-283,067,162.46

Finding the Fourth Proportional to 518,016,466.62, 714,864,627.90 and 283,067,162.46

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Solution

The fourth proportional to 518,016,466.62, 714,864,627.90 and 283,067,162.46 is: 390,633,724.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,016,466.62 : 714,864,627.90 = 283,067,162.46 : x
  2. Step 2: Convert to fraction form
    518,016,466.62/714,864,627.90 = 283,067,162.46/x
  3. Step 3: Cross multiply
    518,016,466.62x = 714,864,627.90 × 283,067,162.46
  4. Step 4: Simplify right side
    518,016,466.62x = 202,354,701,762,676,736
  5. Step 5: Solve for x
    x = 202,354,701,762,676,736/518,016,466.62
  6. Step 6: Final answer
    x = 390,633,724.61

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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.