Home / 326,730,911.40-490,096,367.10-324,817,723.80

Finding the Fourth Proportional to 326,730,911.40, 490,096,367.10 and 324,817,723.80

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Solution

The fourth proportional to 326,730,911.40, 490,096,367.10 and 324,817,723.80 is: 487,226,585.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,730,911.40 : 490,096,367.10 = 324,817,723.80 : x
  2. Step 2: Convert to fraction form
    326,730,911.40/490,096,367.10 = 324,817,723.80/x
  3. Step 3: Cross multiply
    326,730,911.40x = 490,096,367.10 × 324,817,723.80
  4. Step 4: Simplify right side
    326,730,911.40x = 159,191,986,404,071,232
  5. Step 5: Solve for x
    x = 159,191,986,404,071,232/326,730,911.40
  6. Step 6: Final answer
    x = 487,226,585.70

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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.