Home / 1,327,736,511-1,991,577,422.49-442,486,146.45

Finding the Fourth Proportional to 1,327,736,511, 1,991,577,422.49 and 442,486,146.45

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Solution

The fourth proportional to 1,327,736,511, 1,991,577,422.49 and 442,486,146.45 is: 663,720,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,736,511 : 1,991,577,422.49 = 442,486,146.45 : x
  2. Step 2: Convert to fraction form
    1,327,736,511/1,991,577,422.49 = 442,486,146.45/x
  3. Step 3: Cross multiply
    1,327,736,511x = 1,991,577,422.49 × 442,486,146.45
  4. Step 4: Simplify right side
    1,327,736,511x = 881,245,419,034,423,680
  5. Step 5: Solve for x
    x = 881,245,419,034,423,680/1,327,736,511
  6. Step 6: Final answer
    x = 663,720,106.91

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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.