Home / 295,387,277.20-443,080,915.80-261,375,053.20

Finding the Fourth Proportional to 295,387,277.20, 443,080,915.80 and 261,375,053.20

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Solution

The fourth proportional to 295,387,277.20, 443,080,915.80 and 261,375,053.20 is: 392,062,579.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,387,277.20 : 443,080,915.80 = 261,375,053.20 : x
  2. Step 2: Convert to fraction form
    295,387,277.20/443,080,915.80 = 261,375,053.20/x
  3. Step 3: Cross multiply
    295,387,277.20x = 443,080,915.80 × 261,375,053.20
  4. Step 4: Simplify right side
    295,387,277.20x = 115,810,297,939,129,712
  5. Step 5: Solve for x
    x = 115,810,297,939,129,712/295,387,277.20
  6. Step 6: Final answer
    x = 392,062,579.80

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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.