Home / 1,478,876,835.60-2,040,913,805.78-818,827,171.92

Finding the Fourth Proportional to 1,478,876,835.60, 2,040,913,805.78 and 818,827,171.92

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Solution

The fourth proportional to 1,478,876,835.60, 2,040,913,805.78 and 818,827,171.92 is: 1,130,016,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,478,876,835.60 : 2,040,913,805.78 = 818,827,171.92 : x
  2. Step 2: Convert to fraction form
    1,478,876,835.60/2,040,913,805.78 = 818,827,171.92/x
  3. Step 3: Cross multiply
    1,478,876,835.60x = 2,040,913,805.78 × 818,827,171.92
  4. Step 4: Simplify right side
    1,478,876,835.60x = 1,671,155,679,719,321,344
  5. Step 5: Solve for x
    x = 1,671,155,679,719,321,344/1,478,876,835.60
  6. Step 6: Final answer
    x = 1,130,016,807.01

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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.