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Finding the Fourth Proportional to 3,826,488,672.90, 5,730,663,082.95 and 3,826,488,672.90

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Solution

The fourth proportional to 3,826,488,672.90, 5,730,663,082.95 and 3,826,488,672.90 is: 5,730,663,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,488,672.90 : 5,730,663,082.95 = 3,826,488,672.90 : x
  2. Step 2: Convert to fraction form
    3,826,488,672.90/5,730,663,082.95 = 3,826,488,672.90/x
  3. Step 3: Cross multiply
    3,826,488,672.90x = 5,730,663,082.95 × 3,826,488,672.90
  4. Step 4: Simplify right side
    3,826,488,672.90x = 21,928,317,375,114,366,976
  5. Step 5: Solve for x
    x = 21,928,317,375,114,366,976/3,826,488,672.90
  6. Step 6: Final answer
    x = 5,730,663,082.95

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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.