Home / 751,737,733.21-1,127,649,691.44-199,025,799.40

Finding the Fourth Proportional to 751,737,733.21, 1,127,649,691.44 and 199,025,799.40

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Solution

The fourth proportional to 751,737,733.21, 1,127,649,691.44 and 199,025,799.40 is: 298,550,107.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,737,733.21 : 1,127,649,691.44 = 199,025,799.40 : x
  2. Step 2: Convert to fraction form
    751,737,733.21/1,127,649,691.44 = 199,025,799.40/x
  3. Step 3: Cross multiply
    751,737,733.21x = 1,127,649,691.44 × 199,025,799.40
  4. Step 4: Simplify right side
    751,737,733.21x = 224,431,381,282,009,344
  5. Step 5: Solve for x
    x = 224,431,381,282,009,344/751,737,733.21
  6. Step 6: Final answer
    x = 298,550,107.79

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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.