Home / 19,871,397,129.65-27,422,613,293.24-10,839,352,065.53

Finding the Fourth Proportional to 19,871,397,129.65, 27,422,613,293.24 and 10,839,352,065.53

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Solution

The fourth proportional to 19,871,397,129.65, 27,422,613,293.24 and 10,839,352,065.53 is: 14,958,352,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,871,397,129.65 : 27,422,613,293.24 = 10,839,352,065.53 : x
  2. Step 2: Convert to fraction form
    19,871,397,129.65/27,422,613,293.24 = 10,839,352,065.53/x
  3. Step 3: Cross multiply
    19,871,397,129.65x = 27,422,613,293.24 × 10,839,352,065.53
  4. Step 4: Simplify right side
    19,871,397,129.65x = 297,243,360,042,206,822,400
  5. Step 5: Solve for x
    x = 297,243,360,042,206,822,400/19,871,397,129.65
  6. Step 6: Final answer
    x = 14,958,352,354.54

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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.