Home / 326,725,739.10-490,088,608.65-252,749,151.90

Finding the Fourth Proportional to 326,725,739.10, 490,088,608.65 and 252,749,151.90

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Solution

The fourth proportional to 326,725,739.10, 490,088,608.65 and 252,749,151.90 is: 379,123,727.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,725,739.10 : 490,088,608.65 = 252,749,151.90 : x
  2. Step 2: Convert to fraction form
    326,725,739.10/490,088,608.65 = 252,749,151.90/x
  3. Step 3: Cross multiply
    326,725,739.10x = 490,088,608.65 × 252,749,151.90
  4. Step 4: Simplify right side
    326,725,739.10x = 123,869,480,192,138,496
  5. Step 5: Solve for x
    x = 123,869,480,192,138,496/326,725,739.10
  6. Step 6: Final answer
    x = 379,123,727.85

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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.