Home / 398,902,749.06-598,543,605.27-276,269,785.86

Finding the Fourth Proportional to 398,902,749.06, 598,543,605.27 and 276,269,785.86

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Solution

The fourth proportional to 398,902,749.06, 598,543,605.27 and 276,269,785.86 is: 414,535,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,902,749.06 : 598,543,605.27 = 276,269,785.86 : x
  2. Step 2: Convert to fraction form
    398,902,749.06/598,543,605.27 = 276,269,785.86/x
  3. Step 3: Cross multiply
    398,902,749.06x = 598,543,605.27 × 276,269,785.86
  4. Step 4: Simplify right side
    398,902,749.06x = 165,359,513,655,815,264
  5. Step 5: Solve for x
    x = 165,359,513,655,815,264/398,902,749.06
  6. Step 6: Final answer
    x = 414,535,908.93

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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.