Home / 3,969,649,643.60-5,954,474,465.40-3,908,427,640.40

Finding the Fourth Proportional to 3,969,649,643.60, 5,954,474,465.40 and 3,908,427,640.40

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Solution

The fourth proportional to 3,969,649,643.60, 5,954,474,465.40 and 3,908,427,640.40 is: 5,862,641,460.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969,649,643.60 : 5,954,474,465.40 = 3,908,427,640.40 : x
  2. Step 2: Convert to fraction form
    3,969,649,643.60/5,954,474,465.40 = 3,908,427,640.40/x
  3. Step 3: Cross multiply
    3,969,649,643.60x = 5,954,474,465.40 × 3,908,427,640.40
  4. Step 4: Simplify right side
    3,969,649,643.60x = 23,272,632,584,625,373,184
  5. Step 5: Solve for x
    x = 23,272,632,584,625,373,184/3,969,649,643.60
  6. Step 6: Final answer
    x = 5,862,641,460.60

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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.