Home / 13,988,127,200.40-20,982,190,800.60-5,702,497,491.60

Finding the Fourth Proportional to 13,988,127,200.40, 20,982,190,800.60 and 5,702,497,491.60

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Solution

The fourth proportional to 13,988,127,200.40, 20,982,190,800.60 and 5,702,497,491.60 is: 8,553,746,237.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988,127,200.40 : 20,982,190,800.60 = 5,702,497,491.60 : x
  2. Step 2: Convert to fraction form
    13,988,127,200.40/20,982,190,800.60 = 5,702,497,491.60/x
  3. Step 3: Cross multiply
    13,988,127,200.40x = 20,982,190,800.60 × 5,702,497,491.60
  4. Step 4: Simplify right side
    13,988,127,200.40x = 119,650,890,408,694,087,680
  5. Step 5: Solve for x
    x = 119,650,890,408,694,087,680/13,988,127,200.40
  6. Step 6: Final answer
    x = 8,553,746,237.40

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Double scale
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Similar ratio
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1.5x scale

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.