Home / 585,341,235.38-807,821,989.16-321,074,304.17

Finding the Fourth Proportional to 585,341,235.38, 807,821,989.16 and 321,074,304.17

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Solution

The fourth proportional to 585,341,235.38, 807,821,989.16 and 321,074,304.17 is: 443,110,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,341,235.38 : 807,821,989.16 = 321,074,304.17 : x
  2. Step 2: Convert to fraction form
    585,341,235.38/807,821,989.16 = 321,074,304.17/x
  3. Step 3: Cross multiply
    585,341,235.38x = 807,821,989.16 × 321,074,304.17
  4. Step 4: Simplify right side
    585,341,235.38x = 259,370,883,057,127,808
  5. Step 5: Solve for x
    x = 259,370,883,057,127,808/585,341,235.38
  6. Step 6: Final answer
    x = 443,110,560.78

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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.