Home / 489,191,935.91-732,862,049.18-289,172,392.22

Finding the Fourth Proportional to 489,191,935.91, 732,862,049.18 and 289,172,392.22

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Solution

The fourth proportional to 489,191,935.91, 732,862,049.18 and 289,172,392.22 is: 433,211,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,191,935.91 : 732,862,049.18 = 289,172,392.22 : x
  2. Step 2: Convert to fraction form
    489,191,935.91/732,862,049.18 = 289,172,392.22/x
  3. Step 3: Cross multiply
    489,191,935.91x = 732,862,049.18 × 289,172,392.22
  4. Step 4: Simplify right side
    489,191,935.91x = 211,923,471,923,521,696
  5. Step 5: Solve for x
    x = 211,923,471,923,521,696/489,191,935.91
  6. Step 6: Final answer
    x = 433,211,294.73

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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.