Home / 998,989,116.39-1,378,575,052.16-552,970,761.75

Finding the Fourth Proportional to 998,989,116.39, 1,378,575,052.16 and 552,970,761.75

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Solution

The fourth proportional to 998,989,116.39, 1,378,575,052.16 and 552,970,761.75 is: 763,083,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,989,116.39 : 1,378,575,052.16 = 552,970,761.75 : x
  2. Step 2: Convert to fraction form
    998,989,116.39/1,378,575,052.16 = 552,970,761.75/x
  3. Step 3: Cross multiply
    998,989,116.39x = 1,378,575,052.16 × 552,970,761.75
  4. Step 4: Simplify right side
    998,989,116.39x = 762,311,696,719,696,256
  5. Step 5: Solve for x
    x = 762,311,696,719,696,256/998,989,116.39
  6. Step 6: Final answer
    x = 763,083,084.90

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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.