Home / 469,697,819.16-648,145,189.50-271,472,152.92

Finding the Fourth Proportional to 469,697,819.16, 648,145,189.50 and 271,472,152.92

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Solution

The fourth proportional to 469,697,819.16, 648,145,189.50 and 271,472,152.92 is: 374,609,723.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,697,819.16 : 648,145,189.50 = 271,472,152.92 : x
  2. Step 2: Convert to fraction form
    469,697,819.16/648,145,189.50 = 271,472,152.92/x
  3. Step 3: Cross multiply
    469,697,819.16x = 648,145,189.50 × 271,472,152.92
  4. Step 4: Simplify right side
    469,697,819.16x = 175,953,369,998,306,400
  5. Step 5: Solve for x
    x = 175,953,369,998,306,400/469,697,819.16
  6. Step 6: Final answer
    x = 374,609,723.15

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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.