Home / 609,112,137,790.20-913,668,206,685.30-326,682,601,309.20

Finding the Fourth Proportional to 609,112,137,790.20, 913,668,206,685.30 and 326,682,601,309.20

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Solution

The fourth proportional to 609,112,137,790.20, 913,668,206,685.30 and 326,682,601,309.20 is: 490,023,901,963.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,112,137,790.20 : 913,668,206,685.30 = 326,682,601,309.20 : x
  2. Step 2: Convert to fraction form
    609,112,137,790.20/913,668,206,685.30 = 326,682,601,309.20/x
  3. Step 3: Cross multiply
    609,112,137,790.20x = 913,668,206,685.30 × 326,682,601,309.20
  4. Step 4: Simplify right side
    609,112,137,790.20x = 298,479,506,493,465,625,100,288
  5. Step 5: Solve for x
    x = 298,479,506,493,465,625,100,288/609,112,137,790.20
  6. Step 6: Final answer
    x = 490,023,901,963.80

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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.