Home / 258,693,314.80-388,039,972.20-177,063,977.20

Finding the Fourth Proportional to 258,693,314.80, 388,039,972.20 and 177,063,977.20

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Solution

The fourth proportional to 258,693,314.80, 388,039,972.20 and 177,063,977.20 is: 265,595,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,693,314.80 : 388,039,972.20 = 177,063,977.20 : x
  2. Step 2: Convert to fraction form
    258,693,314.80/388,039,972.20 = 177,063,977.20/x
  3. Step 3: Cross multiply
    258,693,314.80x = 388,039,972.20 × 177,063,977.20
  4. Step 4: Simplify right side
    258,693,314.80x = 68,707,900,790,309,424
  5. Step 5: Solve for x
    x = 68,707,900,790,309,424/258,693,314.80
  6. Step 6: Final answer
    x = 265,595,965.80

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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.