Home / 646,042,873.92-891,534,630.72-352,687,441.92

Finding the Fourth Proportional to 646,042,873.92, 891,534,630.72 and 352,687,441.92

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Solution

The fourth proportional to 646,042,873.92, 891,534,630.72 and 352,687,441.92 is: 486,706,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,042,873.92 : 891,534,630.72 = 352,687,441.92 : x
  2. Step 2: Convert to fraction form
    646,042,873.92/891,534,630.72 = 352,687,441.92/x
  3. Step 3: Cross multiply
    646,042,873.92x = 891,534,630.72 × 352,687,441.92
  4. Step 4: Simplify right side
    646,042,873.92x = 314,433,068,291,728,704
  5. Step 5: Solve for x
    x = 314,433,068,291,728,704/646,042,873.92
  6. Step 6: Final answer
    x = 486,706,193.95

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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.