Home / 80,278,851,238.49-120,392,496,851.25-26,483,894,264.81

Finding the Fourth Proportional to 80,278,851,238.49, 120,392,496,851.25 and 26,483,894,264.81

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Solution

The fourth proportional to 80,278,851,238.49, 120,392,496,851.25 and 26,483,894,264.81 is: 39,717,336,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,278,851,238.49 : 120,392,496,851.25 = 26,483,894,264.81 : x
  2. Step 2: Convert to fraction form
    80,278,851,238.49/120,392,496,851.25 = 26,483,894,264.81/x
  3. Step 3: Cross multiply
    80,278,851,238.49x = 120,392,496,851.25 × 26,483,894,264.81
  4. Step 4: Simplify right side
    80,278,851,238.49x = 3,188,462,156,884,976,074,752
  5. Step 5: Solve for x
    x = 3,188,462,156,884,976,074,752/80,278,851,238.49
  6. Step 6: Final answer
    x = 39,717,336,604.79

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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.