Home / 387,072,001.60-580,608,002.40-234,189,620.80

Finding the Fourth Proportional to 387,072,001.60, 580,608,002.40 and 234,189,620.80

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Solution

The fourth proportional to 387,072,001.60, 580,608,002.40 and 234,189,620.80 is: 351,284,431.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,072,001.60 : 580,608,002.40 = 234,189,620.80 : x
  2. Step 2: Convert to fraction form
    387,072,001.60/580,608,002.40 = 234,189,620.80/x
  3. Step 3: Cross multiply
    387,072,001.60x = 580,608,002.40 × 234,189,620.80
  4. Step 4: Simplify right side
    387,072,001.60x = 135,972,367,915,501,488
  5. Step 5: Solve for x
    x = 135,972,367,915,501,488/387,072,001.60
  6. Step 6: Final answer
    x = 351,284,431.20

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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.