Home / 1,617,170,781.84-2,231,695,661.66-874,614,844.59

Finding the Fourth Proportional to 1,617,170,781.84, 2,231,695,661.66 and 874,614,844.59

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Solution

The fourth proportional to 1,617,170,781.84, 2,231,695,661.66 and 874,614,844.59 is: 1,206,968,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,170,781.84 : 2,231,695,661.66 = 874,614,844.59 : x
  2. Step 2: Convert to fraction form
    1,617,170,781.84/2,231,695,661.66 = 874,614,844.59/x
  3. Step 3: Cross multiply
    1,617,170,781.84x = 2,231,695,661.66 × 874,614,844.59
  4. Step 4: Simplify right side
    1,617,170,781.84x = 1,951,874,154,279,406,848
  5. Step 5: Solve for x
    x = 1,951,874,154,279,406,848/1,617,170,781.84
  6. Step 6: Final answer
    x = 1,206,968,476.18

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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.