Home / 547,288,121.04-755,248,272.90-296,390,479.56

Finding the Fourth Proportional to 547,288,121.04, 755,248,272.90 and 296,390,479.56

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Solution

The fourth proportional to 547,288,121.04, 755,248,272.90 and 296,390,479.56 is: 409,013,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,288,121.04 : 755,248,272.90 = 296,390,479.56 : x
  2. Step 2: Convert to fraction form
    547,288,121.04/755,248,272.90 = 296,390,479.56/x
  3. Step 3: Cross multiply
    547,288,121.04x = 755,248,272.90 × 296,390,479.56
  4. Step 4: Simplify right side
    547,288,121.04x = 223,848,397,791,692,736
  5. Step 5: Solve for x
    x = 223,848,397,791,692,736/547,288,121.04
  6. Step 6: Final answer
    x = 409,013,806.78

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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.