Home / 368,259,565.72-508,195,697.34-203,247,130.36

Finding the Fourth Proportional to 368,259,565.72, 508,195,697.34 and 203,247,130.36

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Solution

The fourth proportional to 368,259,565.72, 508,195,697.34 and 203,247,130.36 is: 280,479,658.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,259,565.72 : 508,195,697.34 = 203,247,130.36 : x
  2. Step 2: Convert to fraction form
    368,259,565.72/508,195,697.34 = 203,247,130.36/x
  3. Step 3: Cross multiply
    368,259,565.72x = 508,195,697.34 × 203,247,130.36
  4. Step 4: Simplify right side
    368,259,565.72x = 103,289,317,145,654,080
  5. Step 5: Solve for x
    x = 103,289,317,145,654,080/368,259,565.72
  6. Step 6: Final answer
    x = 280,479,658.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.