Home / 826,042,672.88-1,139,897,884.92-454,756,732.64

Finding the Fourth Proportional to 826,042,672.88, 1,139,897,884.92 and 454,756,732.64

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Solution

The fourth proportional to 826,042,672.88, 1,139,897,884.92 and 454,756,732.64 is: 627,541,717.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,042,672.88 : 1,139,897,884.92 = 454,756,732.64 : x
  2. Step 2: Convert to fraction form
    826,042,672.88/1,139,897,884.92 = 454,756,732.64/x
  3. Step 3: Cross multiply
    826,042,672.88x = 1,139,897,884.92 × 454,756,732.64
  4. Step 4: Simplify right side
    826,042,672.88x = 518,376,237,689,465,920
  5. Step 5: Solve for x
    x = 518,376,237,689,465,920/826,042,672.88
  6. Step 6: Final answer
    x = 627,541,717.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.