Home / 3,188,649,411.60-4,782,974,117.40-1,638,967,455.60

Finding the Fourth Proportional to 3,188,649,411.60, 4,782,974,117.40 and 1,638,967,455.60

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Solution

The fourth proportional to 3,188,649,411.60, 4,782,974,117.40 and 1,638,967,455.60 is: 2,458,451,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,649,411.60 : 4,782,974,117.40 = 1,638,967,455.60 : x
  2. Step 2: Convert to fraction form
    3,188,649,411.60/4,782,974,117.40 = 1,638,967,455.60/x
  3. Step 3: Cross multiply
    3,188,649,411.60x = 4,782,974,117.40 × 1,638,967,455.60
  4. Step 4: Simplify right side
    3,188,649,411.60x = 7,839,138,919,395,732,480
  5. Step 5: Solve for x
    x = 7,839,138,919,395,732,480/3,188,649,411.60
  6. Step 6: Final answer
    x = 2,458,451,183.40

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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.