Home / 477,109,215.70-715,663,823.55-331,990,393.30

Finding the Fourth Proportional to 477,109,215.70, 715,663,823.55 and 331,990,393.30

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Solution

The fourth proportional to 477,109,215.70, 715,663,823.55 and 331,990,393.30 is: 497,985,589.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,109,215.70 : 715,663,823.55 = 331,990,393.30 : x
  2. Step 2: Convert to fraction form
    477,109,215.70/715,663,823.55 = 331,990,393.30/x
  3. Step 3: Cross multiply
    477,109,215.70x = 715,663,823.55 × 331,990,393.30
  4. Step 4: Simplify right side
    477,109,215.70x = 237,593,514,250,946,304
  5. Step 5: Solve for x
    x = 237,593,514,250,946,304/477,109,215.70
  6. Step 6: Final answer
    x = 497,985,589.95

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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.