Home / 981,330,729.24-1,472,008,915.38-326,281,755.48

Finding the Fourth Proportional to 981,330,729.24, 1,472,008,915.38 and 326,281,755.48

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Solution

The fourth proportional to 981,330,729.24, 1,472,008,915.38 and 326,281,755.48 is: 489,426,896.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,330,729.24 : 1,472,008,915.38 = 326,281,755.48 : x
  2. Step 2: Convert to fraction form
    981,330,729.24/1,472,008,915.38 = 326,281,755.48/x
  3. Step 3: Cross multiply
    981,330,729.24x = 1,472,008,915.38 × 326,281,755.48
  4. Step 4: Simplify right side
    981,330,729.24x = 480,289,652,992,397,248
  5. Step 5: Solve for x
    x = 480,289,652,992,397,248/981,330,729.24
  6. Step 6: Final answer
    x = 489,426,896.24

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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.