Home / 3,149,280,147.60-4,723,920,221.40-3,103,363,645.20

Finding the Fourth Proportional to 3,149,280,147.60, 4,723,920,221.40 and 3,103,363,645.20

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Solution

The fourth proportional to 3,149,280,147.60, 4,723,920,221.40 and 3,103,363,645.20 is: 4,655,045,467.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149,280,147.60 : 4,723,920,221.40 = 3,103,363,645.20 : x
  2. Step 2: Convert to fraction form
    3,149,280,147.60/4,723,920,221.40 = 3,103,363,645.20/x
  3. Step 3: Cross multiply
    3,149,280,147.60x = 4,723,920,221.40 × 3,103,363,645.20
  4. Step 4: Simplify right side
    3,149,280,147.60x = 14,660,042,277,917,892,608
  5. Step 5: Solve for x
    x = 14,660,042,277,917,892,608/3,149,280,147.60
  6. Step 6: Final answer
    x = 4,655,045,467.80

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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.