Home / 265,707,462.80-398,561,194.20-193,148,051.60

Finding the Fourth Proportional to 265,707,462.80, 398,561,194.20 and 193,148,051.60

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Solution

The fourth proportional to 265,707,462.80, 398,561,194.20 and 193,148,051.60 is: 289,722,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,707,462.80 : 398,561,194.20 = 193,148,051.60 : x
  2. Step 2: Convert to fraction form
    265,707,462.80/398,561,194.20 = 193,148,051.60/x
  3. Step 3: Cross multiply
    265,707,462.80x = 398,561,194.20 × 193,148,051.60
  4. Step 4: Simplify right side
    265,707,462.80x = 76,981,318,103,099,216
  5. Step 5: Solve for x
    x = 76,981,318,103,099,216/265,707,462.80
  6. Step 6: Final answer
    x = 289,722,077.40

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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.