Home / 766,138,213.32-1,149,368,719.58-248,528,237.64

Finding the Fourth Proportional to 766,138,213.32, 1,149,368,719.58 and 248,528,237.64

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Solution

The fourth proportional to 766,138,213.32, 1,149,368,719.58 and 248,528,237.64 is: 372,844,713.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,138,213.32 : 1,149,368,719.58 = 248,528,237.64 : x
  2. Step 2: Convert to fraction form
    766,138,213.32/1,149,368,719.58 = 248,528,237.64/x
  3. Step 3: Cross multiply
    766,138,213.32x = 1,149,368,719.58 × 248,528,237.64
  4. Step 4: Simplify right side
    766,138,213.32x = 285,650,582,275,760,736
  5. Step 5: Solve for x
    x = 285,650,582,275,760,736/766,138,213.32
  6. Step 6: Final answer
    x = 372,844,713.02

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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.