Home / 469,422,068.46-647,869,819.95-281,257,793.34

Finding the Fourth Proportional to 469,422,068.46, 647,869,819.95 and 281,257,793.34

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Solution

The fourth proportional to 469,422,068.46, 647,869,819.95 and 281,257,793.34 is: 388,176,117.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,422,068.46 : 647,869,819.95 = 281,257,793.34 : x
  2. Step 2: Convert to fraction form
    469,422,068.46/647,869,819.95 = 281,257,793.34/x
  3. Step 3: Cross multiply
    469,422,068.46x = 647,869,819.95 × 281,257,793.34
  4. Step 4: Simplify right side
    469,422,068.46x = 182,218,435,930,720,096
  5. Step 5: Solve for x
    x = 182,218,435,930,720,096/469,422,068.46
  6. Step 6: Final answer
    x = 388,176,117.34

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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.