Home / 1,661,020,427.29-2,491,778,387.04-611,677,947.46

Finding the Fourth Proportional to 1,661,020,427.29, 2,491,778,387.04 and 611,677,947.46

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Solution

The fourth proportional to 1,661,020,427.29, 2,491,778,387.04 and 611,677,947.46 is: 917,608,154.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,661,020,427.29 : 2,491,778,387.04 = 611,677,947.46 : x
  2. Step 2: Convert to fraction form
    1,661,020,427.29/2,491,778,387.04 = 611,677,947.46/x
  3. Step 3: Cross multiply
    1,661,020,427.29x = 2,491,778,387.04 × 611,677,947.46
  4. Step 4: Simplify right side
    1,661,020,427.29x = 1,524,165,889,309,816,832
  5. Step 5: Solve for x
    x = 1,524,165,889,309,816,832/1,661,020,427.29
  6. Step 6: Final answer
    x = 917,608,154.76

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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.