Home / 1,581,384,995.82-2,182,307,528.66-866,919,280.23

Finding the Fourth Proportional to 1,581,384,995.82, 2,182,307,528.66 and 866,919,280.23

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Solution

The fourth proportional to 1,581,384,995.82, 2,182,307,528.66 and 866,919,280.23 is: 1,196,346,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,384,995.82 : 2,182,307,528.66 = 866,919,280.23 : x
  2. Step 2: Convert to fraction form
    1,581,384,995.82/2,182,307,528.66 = 866,919,280.23/x
  3. Step 3: Cross multiply
    1,581,384,995.82x = 2,182,307,528.66 × 866,919,280.23
  4. Step 4: Simplify right side
    1,581,384,995.82x = 1,891,884,471,982,103,040
  5. Step 5: Solve for x
    x = 1,891,884,471,982,103,040/1,581,384,995.82
  6. Step 6: Final answer
    x = 1,196,346,542.42

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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.