Home / 1,144,644,272.97-1,579,951,643.10-668,463,089.33

Finding the Fourth Proportional to 1,144,644,272.97, 1,579,951,643.10 and 668,463,089.33

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Solution

The fourth proportional to 1,144,644,272.97, 1,579,951,643.10 and 668,463,089.33 is: 922,679,107.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,144,644,272.97 : 1,579,951,643.10 = 668,463,089.33 : x
  2. Step 2: Convert to fraction form
    1,144,644,272.97/1,579,951,643.10 = 668,463,089.33/x
  3. Step 3: Cross multiply
    1,144,644,272.97x = 1,579,951,643.10 × 668,463,089.33
  4. Step 4: Simplify right side
    1,144,644,272.97x = 1,056,139,356,330,735,872
  5. Step 5: Solve for x
    x = 1,056,139,356,330,735,872/1,144,644,272.97
  6. Step 6: Final answer
    x = 922,679,107.62

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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.