Home / 1,681,780,923.40-2,304,001,350.41-1,618,902,515.56

Finding the Fourth Proportional to 1,681,780,923.40, 2,304,001,350.41 and 1,618,902,515.56

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Solution

The fourth proportional to 1,681,780,923.40, 2,304,001,350.41 and 1,618,902,515.56 is: 2,217,859,371.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,780,923.40 : 2,304,001,350.41 = 1,618,902,515.56 : x
  2. Step 2: Convert to fraction form
    1,681,780,923.40/2,304,001,350.41 = 1,618,902,515.56/x
  3. Step 3: Cross multiply
    1,681,780,923.40x = 2,304,001,350.41 × 1,618,902,515.56
  4. Step 4: Simplify right side
    1,681,780,923.40x = 3,729,953,582,032,385,536
  5. Step 5: Solve for x
    x = 3,729,953,582,032,385,536/1,681,780,923.40
  6. Step 6: Final answer
    x = 2,217,859,371.65

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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.