Home / 216,712,465,994.54-325,110,561,402.97-82,396,512,719.98

Finding the Fourth Proportional to 216,712,465,994.54, 325,110,561,402.97 and 82,396,512,719.98

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Solution

The fourth proportional to 216,712,465,994.54, 325,110,561,402.97 and 82,396,512,719.98 is: 123,610,685,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,712,465,994.54 : 325,110,561,402.97 = 82,396,512,719.98 : x
  2. Step 2: Convert to fraction form
    216,712,465,994.54/325,110,561,402.97 = 82,396,512,719.98/x
  3. Step 3: Cross multiply
    216,712,465,994.54x = 325,110,561,402.97 × 82,396,512,719.98
  4. Step 4: Simplify right side
    216,712,465,994.54x = 26,787,976,508,039,652,966,400
  5. Step 5: Solve for x
    x = 26,787,976,508,039,652,966,400/216,712,465,994.54
  6. Step 6: Final answer
    x = 123,610,685,638.71

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1.5x scale

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.