Home / 263,412,015.60-395,118,023.40-171,579,010.80

Finding the Fourth Proportional to 263,412,015.60, 395,118,023.40 and 171,579,010.80

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Solution

The fourth proportional to 263,412,015.60, 395,118,023.40 and 171,579,010.80 is: 257,368,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,412,015.60 : 395,118,023.40 = 171,579,010.80 : x
  2. Step 2: Convert to fraction form
    263,412,015.60/395,118,023.40 = 171,579,010.80/x
  3. Step 3: Cross multiply
    263,412,015.60x = 395,118,023.40 × 171,579,010.80
  4. Step 4: Simplify right side
    263,412,015.60x = 67,793,959,604,223,256
  5. Step 5: Solve for x
    x = 67,793,959,604,223,256/263,412,015.60
  6. Step 6: Final answer
    x = 257,368,516.20

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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.