Home / 998,953,016.64-1,498,946,190.48-724,863,985.44

Finding the Fourth Proportional to 998,953,016.64, 1,498,946,190.48 and 724,863,985.44

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Solution

The fourth proportional to 998,953,016.64, 1,498,946,190.48 and 724,863,985.44 is: 1,087,670,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,953,016.64 : 1,498,946,190.48 = 724,863,985.44 : x
  2. Step 2: Convert to fraction form
    998,953,016.64/1,498,946,190.48 = 724,863,985.44/x
  3. Step 3: Cross multiply
    998,953,016.64x = 1,498,946,190.48 × 724,863,985.44
  4. Step 4: Simplify right side
    998,953,016.64x = 1,086,532,109,591,438,336
  5. Step 5: Solve for x
    x = 1,086,532,109,591,438,336/998,953,016.64
  6. Step 6: Final answer
    x = 1,087,670,882.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.