Home / 22,720,455,246.88-31,353,626,791.20-12,696,032,467.36

Finding the Fourth Proportional to 22,720,455,246.88, 31,353,626,791.20 and 12,696,032,467.36

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Solution

The fourth proportional to 22,720,455,246.88, 31,353,626,791.20 and 12,696,032,467.36 is: 17,520,188,719.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,720,455,246.88 : 31,353,626,791.20 = 12,696,032,467.36 : x
  2. Step 2: Convert to fraction form
    22,720,455,246.88/31,353,626,791.20 = 12,696,032,467.36/x
  3. Step 3: Cross multiply
    22,720,455,246.88x = 31,353,626,791.20 × 12,696,032,467.36
  4. Step 4: Simplify right side
    22,720,455,246.88x = 398,066,663,710,563,565,568
  5. Step 5: Solve for x
    x = 398,066,663,710,563,565,568/22,720,455,246.88
  6. Step 6: Final answer
    x = 17,520,188,719.16

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1.5x scale

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.