Home / 356,331,933.95-534,805,617.64-247,233,718.86

Finding the Fourth Proportional to 356,331,933.95, 534,805,617.64 and 247,233,718.86

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Solution

The fourth proportional to 356,331,933.95, 534,805,617.64 and 247,233,718.86 is: 371,064,081.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,331,933.95 : 534,805,617.64 = 247,233,718.86 : x
  2. Step 2: Convert to fraction form
    356,331,933.95/534,805,617.64 = 247,233,718.86/x
  3. Step 3: Cross multiply
    356,331,933.95x = 534,805,617.64 × 247,233,718.86
  4. Step 4: Simplify right side
    356,331,933.95x = 132,221,981,715,692,608
  5. Step 5: Solve for x
    x = 132,221,981,715,692,608/356,331,933.95
  6. Step 6: Final answer
    x = 371,064,081.32

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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.