Home / 4,257,119,850.40-6,385,679,775.60-2,515,693,981.60

Finding the Fourth Proportional to 4,257,119,850.40, 6,385,679,775.60 and 2,515,693,981.60

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Solution

The fourth proportional to 4,257,119,850.40, 6,385,679,775.60 and 2,515,693,981.60 is: 3,773,540,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257,119,850.40 : 6,385,679,775.60 = 2,515,693,981.60 : x
  2. Step 2: Convert to fraction form
    4,257,119,850.40/6,385,679,775.60 = 2,515,693,981.60/x
  3. Step 3: Cross multiply
    4,257,119,850.40x = 6,385,679,775.60 × 2,515,693,981.60
  4. Step 4: Simplify right side
    4,257,119,850.40x = 16,064,416,179,901,759,488
  5. Step 5: Solve for x
    x = 16,064,416,179,901,759,488/4,257,119,850.40
  6. Step 6: Final answer
    x = 3,773,540,972.40

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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.