Home / 881,819,488.21-1,322,757,880.68-259,982,574.61

Finding the Fourth Proportional to 881,819,488.21, 1,322,757,880.68 and 259,982,574.61

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Solution

The fourth proportional to 881,819,488.21, 1,322,757,880.68 and 259,982,574.61 is: 389,982,308.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,819,488.21 : 1,322,757,880.68 = 259,982,574.61 : x
  2. Step 2: Convert to fraction form
    881,819,488.21/1,322,757,880.68 = 259,982,574.61/x
  3. Step 3: Cross multiply
    881,819,488.21x = 1,322,757,880.68 × 259,982,574.61
  4. Step 4: Simplify right side
    881,819,488.21x = 343,893,999,404,853,632
  5. Step 5: Solve for x
    x = 343,893,999,404,853,632/881,819,488.21
  6. Step 6: Final answer
    x = 389,982,308.17

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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.