Home / 13,856,838,366.30-20,785,257,549.45-13,581,339,351.90

Finding the Fourth Proportional to 13,856,838,366.30, 20,785,257,549.45 and 13,581,339,351.90

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Solution

The fourth proportional to 13,856,838,366.30, 20,785,257,549.45 and 13,581,339,351.90 is: 20,372,009,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,856,838,366.30 : 20,785,257,549.45 = 13,581,339,351.90 : x
  2. Step 2: Convert to fraction form
    13,856,838,366.30/20,785,257,549.45 = 13,581,339,351.90/x
  3. Step 3: Cross multiply
    13,856,838,366.30x = 20,785,257,549.45 × 13,581,339,351.90
  4. Step 4: Simplify right side
    13,856,838,366.30x = 282,291,636,295,721,844,736
  5. Step 5: Solve for x
    x = 282,291,636,295,721,844,736/13,856,838,366.30
  6. Step 6: Final answer
    x = 20,372,009,027.85

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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.