Home / 1,386,185,957.20-2,079,260,773.56-336,921,112.90

Finding the Fourth Proportional to 1,386,185,957.20, 2,079,260,773.56 and 336,921,112.90

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Solution

The fourth proportional to 1,386,185,957.20, 2,079,260,773.56 and 336,921,112.90 is: 505,377,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,185,957.20 : 2,079,260,773.56 = 336,921,112.90 : x
  2. Step 2: Convert to fraction form
    1,386,185,957.20/2,079,260,773.56 = 336,921,112.90/x
  3. Step 3: Cross multiply
    1,386,185,957.20x = 2,079,260,773.56 × 336,921,112.90
  4. Step 4: Simplify right side
    1,386,185,957.20x = 700,546,853,837,150,080
  5. Step 5: Solve for x
    x = 700,546,853,837,150,080/1,386,185,957.20
  6. Step 6: Final answer
    x = 505,377,254.90

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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.