Home / 326,746,314.60-490,119,471.90-287,207,104.20

Finding the Fourth Proportional to 326,746,314.60, 490,119,471.90 and 287,207,104.20

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Solution

The fourth proportional to 326,746,314.60, 490,119,471.90 and 287,207,104.20 is: 430,810,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,746,314.60 : 490,119,471.90 = 287,207,104.20 : x
  2. Step 2: Convert to fraction form
    326,746,314.60/490,119,471.90 = 287,207,104.20/x
  3. Step 3: Cross multiply
    326,746,314.60x = 490,119,471.90 × 287,207,104.20
  4. Step 4: Simplify right side
    326,746,314.60x = 140,765,794,236,432,256
  5. Step 5: Solve for x
    x = 140,765,794,236,432,256/326,746,314.60
  6. Step 6: Final answer
    x = 430,810,656.30

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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.