Home / 257,505,890.40-386,258,835.60-175,876,552.80

Finding the Fourth Proportional to 257,505,890.40, 386,258,835.60 and 175,876,552.80

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Solution

The fourth proportional to 257,505,890.40, 386,258,835.60 and 175,876,552.80 is: 263,814,829.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,505,890.40 : 386,258,835.60 = 175,876,552.80 : x
  2. Step 2: Convert to fraction form
    257,505,890.40/386,258,835.60 = 175,876,552.80/x
  3. Step 3: Cross multiply
    257,505,890.40x = 386,258,835.60 × 175,876,552.80
  4. Step 4: Simplify right side
    257,505,890.40x = 67,933,872,493,869,928
  5. Step 5: Solve for x
    x = 67,933,872,493,869,928/257,505,890.40
  6. Step 6: Final answer
    x = 263,814,829.20

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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.