Home / 2,802,075,023.21-3,866,881,019.66-1,531,918,743.64

Finding the Fourth Proportional to 2,802,075,023.21, 3,866,881,019.66 and 1,531,918,743.64

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Solution

The fourth proportional to 2,802,075,023.21, 3,866,881,019.66 and 1,531,918,743.64 is: 2,114,057,426.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,802,075,023.21 : 3,866,881,019.66 = 1,531,918,743.64 : x
  2. Step 2: Convert to fraction form
    2,802,075,023.21/3,866,881,019.66 = 1,531,918,743.64/x
  3. Step 3: Cross multiply
    2,802,075,023.21x = 3,866,881,019.66 × 1,531,918,743.64
  4. Step 4: Simplify right side
    2,802,075,023.21x = 5,923,747,513,451,042,816
  5. Step 5: Solve for x
    x = 5,923,747,513,451,042,816/2,802,075,023.21
  6. Step 6: Final answer
    x = 2,114,057,426.86

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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.