Home / 759,485,540.78-1,138,851,440.13-241,848,539.18

Finding the Fourth Proportional to 759,485,540.78, 1,138,851,440.13 and 241,848,539.18

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Solution

The fourth proportional to 759,485,540.78, 1,138,851,440.13 and 241,848,539.18 is: 362,652,798.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    759,485,540.78 : 1,138,851,440.13 = 241,848,539.18 : x
  2. Step 2: Convert to fraction form
    759,485,540.78/1,138,851,440.13 = 241,848,539.18/x
  3. Step 3: Cross multiply
    759,485,540.78x = 1,138,851,440.13 × 241,848,539.18
  4. Step 4: Simplify right side
    759,485,540.78x = 275,429,557,138,479,776
  5. Step 5: Solve for x
    x = 275,429,557,138,479,776/759,485,540.78
  6. Step 6: Final answer
    x = 362,652,798.97

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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.