Home / 442,847,687.60-664,271,531.40-115,322,567.60

Finding the Fourth Proportional to 442,847,687.60, 664,271,531.40 and 115,322,567.60

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Solution

The fourth proportional to 442,847,687.60, 664,271,531.40 and 115,322,567.60 is: 172,983,851.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,847,687.60 : 664,271,531.40 = 115,322,567.60 : x
  2. Step 2: Convert to fraction form
    442,847,687.60/664,271,531.40 = 115,322,567.60/x
  3. Step 3: Cross multiply
    442,847,687.60x = 664,271,531.40 × 115,322,567.60
  4. Step 4: Simplify right side
    442,847,687.60x = 76,605,498,584,632,016
  5. Step 5: Solve for x
    x = 76,605,498,584,632,016/442,847,687.60
  6. Step 6: Final answer
    x = 172,983,851.40

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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.