Home / 5,427,472,100.40-8,141,208,150.60-4,876,474,071.60

Finding the Fourth Proportional to 5,427,472,100.40, 8,141,208,150.60 and 4,876,474,071.60

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Solution

The fourth proportional to 5,427,472,100.40, 8,141,208,150.60 and 4,876,474,071.60 is: 7,314,711,107.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,427,472,100.40 : 8,141,208,150.60 = 4,876,474,071.60 : x
  2. Step 2: Convert to fraction form
    5,427,472,100.40/8,141,208,150.60 = 4,876,474,071.60/x
  3. Step 3: Cross multiply
    5,427,472,100.40x = 8,141,208,150.60 × 4,876,474,071.60
  4. Step 4: Simplify right side
    5,427,472,100.40x = 39,700,390,457,899,491,328
  5. Step 5: Solve for x
    x = 39,700,390,457,899,491,328/5,427,472,100.40
  6. Step 6: Final answer
    x = 7,314,711,107.40

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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.