Home / 216,712,465,993.04-325,110,561,400.72-82,396,512,718.48

Finding the Fourth Proportional to 216,712,465,993.04, 325,110,561,400.72 and 82,396,512,718.48

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Solution

The fourth proportional to 216,712,465,993.04, 325,110,561,400.72 and 82,396,512,718.48 is: 123,610,685,636.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,712,465,993.04 : 325,110,561,400.72 = 82,396,512,718.48 : x
  2. Step 2: Convert to fraction form
    216,712,465,993.04/325,110,561,400.72 = 82,396,512,718.48/x
  3. Step 3: Cross multiply
    216,712,465,993.04x = 325,110,561,400.72 × 82,396,512,718.48
  4. Step 4: Simplify right side
    216,712,465,993.04x = 26,787,976,507,366,593,003,520
  5. Step 5: Solve for x
    x = 26,787,976,507,366,593,003,520/216,712,465,993.04
  6. Step 6: Final answer
    x = 123,610,685,636.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.