Home / 1,681,794,680.68-2,304,020,198.81-1,618,916,285.80

Finding the Fourth Proportional to 1,681,794,680.68, 2,304,020,198.81 and 1,618,916,285.80

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Solution

The fourth proportional to 1,681,794,680.68, 2,304,020,198.81 and 1,618,916,285.80 is: 2,217,878,237.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,794,680.68 : 2,304,020,198.81 = 1,618,916,285.80 : x
  2. Step 2: Convert to fraction form
    1,681,794,680.68/2,304,020,198.81 = 1,618,916,285.80/x
  3. Step 3: Cross multiply
    1,681,794,680.68x = 2,304,020,198.81 × 1,618,916,285.80
  4. Step 4: Simplify right side
    1,681,794,680.68x = 3,730,015,822,665,662,464
  5. Step 5: Solve for x
    x = 3,730,015,822,665,662,464/1,681,794,680.68
  6. Step 6: Final answer
    x = 2,217,878,237.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.