Home / 13,794,631,628.40-20,691,947,442.60-3,980,299,417.20

Finding the Fourth Proportional to 13,794,631,628.40, 20,691,947,442.60 and 3,980,299,417.20

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Solution

The fourth proportional to 13,794,631,628.40, 20,691,947,442.60 and 3,980,299,417.20 is: 5,970,449,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,794,631,628.40 : 20,691,947,442.60 = 3,980,299,417.20 : x
  2. Step 2: Convert to fraction form
    13,794,631,628.40/20,691,947,442.60 = 3,980,299,417.20/x
  3. Step 3: Cross multiply
    13,794,631,628.40x = 20,691,947,442.60 × 3,980,299,417.20
  4. Step 4: Simplify right side
    13,794,631,628.40x = 82,360,146,346,513,793,024
  5. Step 5: Solve for x
    x = 82,360,146,346,513,793,024/13,794,631,628.40
  6. Step 6: Final answer
    x = 5,970,449,125.80

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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.