Home / 281,729,600.60-422,594,400.90-172,890,483.80

Finding the Fourth Proportional to 281,729,600.60, 422,594,400.90 and 172,890,483.80

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Solution

The fourth proportional to 281,729,600.60, 422,594,400.90 and 172,890,483.80 is: 259,335,725.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,729,600.60 : 422,594,400.90 = 172,890,483.80 : x
  2. Step 2: Convert to fraction form
    281,729,600.60/422,594,400.90 = 172,890,483.80/x
  3. Step 3: Cross multiply
    281,729,600.60x = 422,594,400.90 × 172,890,483.80
  4. Step 4: Simplify right side
    281,729,600.60x = 73,062,550,422,772,160
  5. Step 5: Solve for x
    x = 73,062,550,422,772,160/281,729,600.60
  6. Step 6: Final answer
    x = 259,335,725.70

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1.5x scale

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.