Home / 8,799,112,921.93-12,142,406,198.97-4,988,892,199.73

Finding the Fourth Proportional to 8,799,112,921.93, 12,142,406,198.97 and 4,988,892,199.73

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Solution

The fourth proportional to 8,799,112,921.93, 12,142,406,198.97 and 4,988,892,199.73 is: 6,884,461,662.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,799,112,921.93 : 12,142,406,198.97 = 4,988,892,199.73 : x
  2. Step 2: Convert to fraction form
    8,799,112,921.93/12,142,406,198.97 = 4,988,892,199.73/x
  3. Step 3: Cross multiply
    8,799,112,921.93x = 12,142,406,198.97 × 4,988,892,199.73
  4. Step 4: Simplify right side
    8,799,112,921.93x = 60,577,155,571,933,921,280
  5. Step 5: Solve for x
    x = 60,577,155,571,933,921,280/8,799,112,921.93
  6. Step 6: Final answer
    x = 6,884,461,662.15

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.