Home / 1,338,275,405.46-2,006,633,661.32-519,431,112.66

Finding the Fourth Proportional to 1,338,275,405.46, 2,006,633,661.32 and 519,431,112.66

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Solution

The fourth proportional to 1,338,275,405.46, 2,006,633,661.32 and 519,431,112.66 is: 778,844,138.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,275,405.46 : 2,006,633,661.32 = 519,431,112.66 : x
  2. Step 2: Convert to fraction form
    1,338,275,405.46/2,006,633,661.32 = 519,431,112.66/x
  3. Step 3: Cross multiply
    1,338,275,405.46x = 2,006,633,661.32 × 519,431,112.66
  4. Step 4: Simplify right side
    1,338,275,405.46x = 1,042,307,955,400,457,216
  5. Step 5: Solve for x
    x = 1,042,307,955,400,457,216/1,338,275,405.46
  6. Step 6: Final answer
    x = 778,844,138.62

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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.