Home / 460,990,380.46-691,486,752.22-188,361,146.38

Finding the Fourth Proportional to 460,990,380.46, 691,486,752.22 and 188,361,146.38

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Solution

The fourth proportional to 460,990,380.46, 691,486,752.22 and 188,361,146.38 is: 282,542,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,990,380.46 : 691,486,752.22 = 188,361,146.38 : x
  2. Step 2: Convert to fraction form
    460,990,380.46/691,486,752.22 = 188,361,146.38/x
  3. Step 3: Cross multiply
    460,990,380.46x = 691,486,752.22 × 188,361,146.38
  4. Step 4: Simplify right side
    460,990,380.46x = 130,249,237,354,742,208
  5. Step 5: Solve for x
    x = 130,249,237,354,742,208/460,990,380.46
  6. Step 6: Final answer
    x = 282,542,202.34

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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.