Home / 318,260,493,819.15-439,197,247,211.90-173,744,623,507.62

Finding the Fourth Proportional to 318,260,493,819.15, 439,197,247,211.90 and 173,744,623,507.62

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Solution

The fourth proportional to 318,260,493,819.15, 439,197,247,211.90 and 173,744,623,507.62 is: 239,766,360,715.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,260,493,819.15 : 439,197,247,211.90 = 173,744,623,507.62 : x
  2. Step 2: Convert to fraction form
    318,260,493,819.15/439,197,247,211.90 = 173,744,623,507.62/x
  3. Step 3: Cross multiply
    318,260,493,819.15x = 439,197,247,211.90 × 173,744,623,507.62
  4. Step 4: Simplify right side
    318,260,493,819.15x = 76,308,160,362,414,677,688,320
  5. Step 5: Solve for x
    x = 76,308,160,362,414,677,688,320/318,260,493,819.15
  6. Step 6: Final answer
    x = 239,766,360,715.12

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1.5x scale

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.