Home / 460,990,381.46-691,486,753.72-188,361,147.38

Finding the Fourth Proportional to 460,990,381.46, 691,486,753.72 and 188,361,147.38

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Solution

The fourth proportional to 460,990,381.46, 691,486,753.72 and 188,361,147.38 is: 282,542,203.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,990,381.46 : 691,486,753.72 = 188,361,147.38 : x
  2. Step 2: Convert to fraction form
    460,990,381.46/691,486,753.72 = 188,361,147.38/x
  3. Step 3: Cross multiply
    460,990,381.46x = 691,486,753.72 × 188,361,147.38
  4. Step 4: Simplify right side
    460,990,381.46x = 130,249,238,328,770,688
  5. Step 5: Solve for x
    x = 130,249,238,328,770,688/460,990,381.46
  6. Step 6: Final answer
    x = 282,542,203.84

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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.