Home / 368,259,572.72-508,195,707-203,247,137.36

Finding the Fourth Proportional to 368,259,572.72, 508,195,707 and 203,247,137.36

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Solution

The fourth proportional to 368,259,572.72, 508,195,707 and 203,247,137.36 is: 280,479,667.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,259,572.72 : 508,195,707 = 203,247,137.36 : x
  2. Step 2: Convert to fraction form
    368,259,572.72/508,195,707 = 203,247,137.36/x
  3. Step 3: Cross multiply
    368,259,572.72x = 508,195,707 × 203,247,137.36
  4. Step 4: Simplify right side
    368,259,572.72x = 103,289,322,666,391,328
  5. Step 5: Solve for x
    x = 103,289,322,666,391,328/368,259,572.72
  6. Step 6: Final answer
    x = 280,479,667.92

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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.