Home / 1,581,385,002.57-2,182,307,537.97-866,919,286.98

Finding the Fourth Proportional to 1,581,385,002.57, 2,182,307,537.97 and 866,919,286.98

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Solution

The fourth proportional to 1,581,385,002.57, 2,182,307,537.97 and 866,919,286.98 is: 1,196,346,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,385,002.57 : 2,182,307,537.97 = 866,919,286.98 : x
  2. Step 2: Convert to fraction form
    1,581,385,002.57/2,182,307,537.97 = 866,919,286.98/x
  3. Step 3: Cross multiply
    1,581,385,002.57x = 2,182,307,537.97 × 866,919,286.98
  4. Step 4: Simplify right side
    1,581,385,002.57x = 1,891,884,494,788,031,488
  5. Step 5: Solve for x
    x = 1,891,884,494,788,031,488/1,581,385,002.57
  6. Step 6: Final answer
    x = 1,196,346,551.73

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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.