Home / 361,129,168,519.70-541,693,752,779.55-109,589,959,028.30

Finding the Fourth Proportional to 361,129,168,519.70, 541,693,752,779.55 and 109,589,959,028.30

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Solution

The fourth proportional to 361,129,168,519.70, 541,693,752,779.55 and 109,589,959,028.30 is: 164,384,938,542.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,129,168,519.70 : 541,693,752,779.55 = 109,589,959,028.30 : x
  2. Step 2: Convert to fraction form
    361,129,168,519.70/541,693,752,779.55 = 109,589,959,028.30/x
  3. Step 3: Cross multiply
    361,129,168,519.70x = 541,693,752,779.55 × 109,589,959,028.30
  4. Step 4: Simplify right side
    361,129,168,519.70x = 59,364,196,172,996,953,505,792
  5. Step 5: Solve for x
    x = 59,364,196,172,996,953,505,792/361,129,168,519.70
  6. Step 6: Final answer
    x = 164,384,938,542.45

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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.