Home / 8,625,506,066.40-12,938,259,099.60-8,286,895,480.80

Finding the Fourth Proportional to 8,625,506,066.40, 12,938,259,099.60 and 8,286,895,480.80

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Solution

The fourth proportional to 8,625,506,066.40, 12,938,259,099.60 and 8,286,895,480.80 is: 12,430,343,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,625,506,066.40 : 12,938,259,099.60 = 8,286,895,480.80 : x
  2. Step 2: Convert to fraction form
    8,625,506,066.40/12,938,259,099.60 = 8,286,895,480.80/x
  3. Step 3: Cross multiply
    8,625,506,066.40x = 12,938,259,099.60 × 8,286,895,480.80
  4. Step 4: Simplify right side
    8,625,506,066.40x = 107,218,000,861,894,721,536
  5. Step 5: Solve for x
    x = 107,218,000,861,894,721,536/8,625,506,066.40
  6. Step 6: Final answer
    x = 12,430,343,221.20

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Double scale
Find fourth proportional to 8,625,506,067.40, 12,938,259,101.10 and 8,286,895,481.80
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.