Home / 766,138,057.40-1,149,368,486.70-248,528,082.80

Finding the Fourth Proportional to 766,138,057.40, 1,149,368,486.70 and 248,528,082.80

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Solution

The fourth proportional to 766,138,057.40, 1,149,368,486.70 and 248,528,082.80 is: 372,844,481.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,138,057.40 : 1,149,368,486.70 = 248,528,082.80 : x
  2. Step 2: Convert to fraction form
    766,138,057.40/1,149,368,486.70 = 248,528,082.80/x
  3. Step 3: Cross multiply
    766,138,057.40x = 1,149,368,486.70 × 248,528,082.80
  4. Step 4: Simplify right side
    766,138,057.40x = 285,650,346,430,288,320
  5. Step 5: Solve for x
    x = 285,650,346,430,288,320/766,138,057.40
  6. Step 6: Final answer
    x = 372,844,481.06

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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.