Home / 1,095,969,612.78-1,644,196,224.78-319,676,029.38

Finding the Fourth Proportional to 1,095,969,612.78, 1,644,196,224.78 and 319,676,029.38

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Solution

The fourth proportional to 1,095,969,612.78, 1,644,196,224.78 and 319,676,029.38 is: 479,584,574.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,095,969,612.78 : 1,644,196,224.78 = 319,676,029.38 : x
  2. Step 2: Convert to fraction form
    1,095,969,612.78/1,644,196,224.78 = 319,676,029.38/x
  3. Step 3: Cross multiply
    1,095,969,612.78x = 1,644,196,224.78 × 319,676,029.38
  4. Step 4: Simplify right side
    1,095,969,612.78x = 525,610,120,659,256,320
  5. Step 5: Solve for x
    x = 525,610,120,659,256,320/1,095,969,612.78
  6. Step 6: Final answer
    x = 479,584,574.73

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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.