Home / 326,730,819.40-490,096,229.10-324,817,631.80

Finding the Fourth Proportional to 326,730,819.40, 490,096,229.10 and 324,817,631.80

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Solution

The fourth proportional to 326,730,819.40, 490,096,229.10 and 324,817,631.80 is: 487,226,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,730,819.40 : 490,096,229.10 = 324,817,631.80 : x
  2. Step 2: Convert to fraction form
    326,730,819.40/490,096,229.10 = 324,817,631.80/x
  3. Step 3: Cross multiply
    326,730,819.40x = 490,096,229.10 × 324,817,631.80
  4. Step 4: Simplify right side
    326,730,819.40x = 159,191,896,490,372,256
  5. Step 5: Solve for x
    x = 159,191,896,490,372,256/326,730,819.40
  6. Step 6: Final answer
    x = 487,226,447.70

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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.