Home / 731,699,990.47-1,009,746,956.06-397,172,295.73

Finding the Fourth Proportional to 731,699,990.47, 1,009,746,956.06 and 397,172,295.73

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Solution

The fourth proportional to 731,699,990.47, 1,009,746,956.06 and 397,172,295.73 is: 548,098,294.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,699,990.47 : 1,009,746,956.06 = 397,172,295.73 : x
  2. Step 2: Convert to fraction form
    731,699,990.47/1,009,746,956.06 = 397,172,295.73/x
  3. Step 3: Cross multiply
    731,699,990.47x = 1,009,746,956.06 × 397,172,295.73
  4. Step 4: Simplify right side
    731,699,990.47x = 401,043,516,643,198,208
  5. Step 5: Solve for x
    x = 401,043,516,643,198,208/731,699,990.47
  6. Step 6: Final answer
    x = 548,098,294.20

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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.