Home / 979,268,001.20-1,468,902,001.80-252,256,713.20

Finding the Fourth Proportional to 979,268,001.20, 1,468,902,001.80 and 252,256,713.20

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Solution

The fourth proportional to 979,268,001.20, 1,468,902,001.80 and 252,256,713.20 is: 378,385,069.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,268,001.20 : 1,468,902,001.80 = 252,256,713.20 : x
  2. Step 2: Convert to fraction form
    979,268,001.20/1,468,902,001.80 = 252,256,713.20/x
  3. Step 3: Cross multiply
    979,268,001.20x = 1,468,902,001.80 × 252,256,713.20
  4. Step 4: Simplify right side
    979,268,001.20x = 370,540,390,986,968,448
  5. Step 5: Solve for x
    x = 370,540,390,986,968,448/979,268,001.20
  6. Step 6: Final answer
    x = 378,385,069.80

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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.