Home / 881,819,488.71-1,322,757,881.43-259,982,575.11

Finding the Fourth Proportional to 881,819,488.71, 1,322,757,881.43 and 259,982,575.11

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Solution

The fourth proportional to 881,819,488.71, 1,322,757,881.43 and 259,982,575.11 is: 389,982,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,819,488.71 : 1,322,757,881.43 = 259,982,575.11 : x
  2. Step 2: Convert to fraction form
    881,819,488.71/1,322,757,881.43 = 259,982,575.11/x
  3. Step 3: Cross multiply
    881,819,488.71x = 1,322,757,881.43 × 259,982,575.11
  4. Step 4: Simplify right side
    881,819,488.71x = 343,894,000,261,219,456
  5. Step 5: Solve for x
    x = 343,894,000,261,219,456/881,819,488.71
  6. Step 6: Final answer
    x = 389,982,308.92

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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.