Home / 941,392,959.41-1,299,083,272.83-512,232,020.72

Finding the Fourth Proportional to 941,392,959.41, 1,299,083,272.83 and 512,232,020.72

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Solution

The fourth proportional to 941,392,959.41, 1,299,083,272.83 and 512,232,020.72 is: 706,858,961.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,392,959.41 : 1,299,083,272.83 = 512,232,020.72 : x
  2. Step 2: Convert to fraction form
    941,392,959.41/1,299,083,272.83 = 512,232,020.72/x
  3. Step 3: Cross multiply
    941,392,959.41x = 1,299,083,272.83 × 512,232,020.72
  4. Step 4: Simplify right side
    941,392,959.41x = 665,432,049,923,638,016
  5. Step 5: Solve for x
    x = 665,432,049,923,638,016/941,392,959.41
  6. Step 6: Final answer
    x = 706,858,961.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.