Home / 415,206,819.60-622,810,229.40-242,594,782.80

Finding the Fourth Proportional to 415,206,819.60, 622,810,229.40 and 242,594,782.80

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Solution

The fourth proportional to 415,206,819.60, 622,810,229.40 and 242,594,782.80 is: 363,892,174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,206,819.60 : 622,810,229.40 = 242,594,782.80 : x
  2. Step 2: Convert to fraction form
    415,206,819.60/622,810,229.40 = 242,594,782.80/x
  3. Step 3: Cross multiply
    415,206,819.60x = 622,810,229.40 × 242,594,782.80
  4. Step 4: Simplify right side
    415,206,819.60x = 151,090,512,326,911,168
  5. Step 5: Solve for x
    x = 151,090,512,326,911,168/415,206,819.60
  6. Step 6: Final answer
    x = 363,892,174.20

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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.