Home / 265,721,185.70-398,581,778.55-248,715,073.70

Finding the Fourth Proportional to 265,721,185.70, 398,581,778.55 and 248,715,073.70

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Solution

The fourth proportional to 265,721,185.70, 398,581,778.55 and 248,715,073.70 is: 373,072,610.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,721,185.70 : 398,581,778.55 = 248,715,073.70 : x
  2. Step 2: Convert to fraction form
    265,721,185.70/398,581,778.55 = 248,715,073.70/x
  3. Step 3: Cross multiply
    265,721,185.70x = 398,581,778.55 × 248,715,073.70
  4. Step 4: Simplify right side
    265,721,185.70x = 99,133,296,427,540,320
  5. Step 5: Solve for x
    x = 99,133,296,427,540,320/265,721,185.70
  6. Step 6: Final answer
    x = 373,072,610.55

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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.