Home / 326,725,731.10-490,088,596.65-252,749,143.90

Finding the Fourth Proportional to 326,725,731.10, 490,088,596.65 and 252,749,143.90

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Solution

The fourth proportional to 326,725,731.10, 490,088,596.65 and 252,749,143.90 is: 379,123,715.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,725,731.10 : 490,088,596.65 = 252,749,143.90 : x
  2. Step 2: Convert to fraction form
    326,725,731.10/490,088,596.65 = 252,749,143.90/x
  3. Step 3: Cross multiply
    326,725,731.10x = 490,088,596.65 × 252,749,143.90
  4. Step 4: Simplify right side
    326,725,731.10x = 123,869,473,238,439,904
  5. Step 5: Solve for x
    x = 123,869,473,238,439,904/326,725,731.10
  6. Step 6: Final answer
    x = 379,123,715.85

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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.