Home / 1,417,177,696.60-2,125,766,544.90-1,279,428,189.40

Finding the Fourth Proportional to 1,417,177,696.60, 2,125,766,544.90 and 1,279,428,189.40

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Solution

The fourth proportional to 1,417,177,696.60, 2,125,766,544.90 and 1,279,428,189.40 is: 1,919,142,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,417,177,696.60 : 2,125,766,544.90 = 1,279,428,189.40 : x
  2. Step 2: Convert to fraction form
    1,417,177,696.60/2,125,766,544.90 = 1,279,428,189.40/x
  3. Step 3: Cross multiply
    1,417,177,696.60x = 2,125,766,544.90 × 1,279,428,189.40
  4. Step 4: Simplify right side
    1,417,177,696.60x = 2,719,765,641,628,500,992
  5. Step 5: Solve for x
    x = 2,719,765,641,628,500,992/1,417,177,696.60
  6. Step 6: Final answer
    x = 1,919,142,284.10

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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.