Home / 8,320,343,421.60-12,480,515,132.40-2,797,766,013.60

Finding the Fourth Proportional to 8,320,343,421.60, 12,480,515,132.40 and 2,797,766,013.60

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Solution

The fourth proportional to 8,320,343,421.60, 12,480,515,132.40 and 2,797,766,013.60 is: 4,196,649,020.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320,343,421.60 : 12,480,515,132.40 = 2,797,766,013.60 : x
  2. Step 2: Convert to fraction form
    8,320,343,421.60/12,480,515,132.40 = 2,797,766,013.60/x
  3. Step 3: Cross multiply
    8,320,343,421.60x = 12,480,515,132.40 × 2,797,766,013.60
  4. Step 4: Simplify right side
    8,320,343,421.60x = 34,917,561,069,649,223,680
  5. Step 5: Solve for x
    x = 34,917,561,069,649,223,680/8,320,343,421.60
  6. Step 6: Final answer
    x = 4,196,649,020.40

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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.