Home / 1,105,764,963.19-1,658,653,645.72-368,832,844.61

Finding the Fourth Proportional to 1,105,764,963.19, 1,658,653,645.72 and 368,832,844.61

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Solution

The fourth proportional to 1,105,764,963.19, 1,658,653,645.72 and 368,832,844.61 is: 553,251,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,764,963.19 : 1,658,653,645.72 = 368,832,844.61 : x
  2. Step 2: Convert to fraction form
    1,105,764,963.19/1,658,653,645.72 = 368,832,844.61/x
  3. Step 3: Cross multiply
    1,105,764,963.19x = 1,658,653,645.72 × 368,832,844.61
  4. Step 4: Simplify right side
    1,105,764,963.19x = 611,765,942,370,659,328
  5. Step 5: Solve for x
    x = 611,765,942,370,659,328/1,105,764,963.19
  6. Step 6: Final answer
    x = 553,251,335.26

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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.