Home / 2,117,960,087,019.40-3,176,940,130,529.10-685,512,781,679.90

Finding the Fourth Proportional to 2,117,960,087,019.40, 3,176,940,130,529.10 and 685,512,781,679.90

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Solution

The fourth proportional to 2,117,960,087,019.40, 3,176,940,130,529.10 and 685,512,781,679.90 is: 1,028,269,172,519.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,117,960,087,019.40 : 3,176,940,130,529.10 = 685,512,781,679.90 : x
  2. Step 2: Convert to fraction form
    2,117,960,087,019.40/3,176,940,130,529.10 = 685,512,781,679.90/x
  3. Step 3: Cross multiply
    2,117,960,087,019.40x = 3,176,940,130,529.10 × 685,512,781,679.90
  4. Step 4: Simplify right side
    2,117,960,087,019.40x = 2,177,833,066,109,508,140,400,640
  5. Step 5: Solve for x
    x = 2,177,833,066,109,508,140,400,640/2,117,960,087,019.40
  6. Step 6: Final answer
    x = 1,028,269,172,519.85

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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.