Home / 80,278,851,236.49-120,392,496,848.25-26,483,894,262.81

Finding the Fourth Proportional to 80,278,851,236.49, 120,392,496,848.25 and 26,483,894,262.81

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Solution

The fourth proportional to 80,278,851,236.49, 120,392,496,848.25 and 26,483,894,262.81 is: 39,717,336,601.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,278,851,236.49 : 120,392,496,848.25 = 26,483,894,262.81 : x
  2. Step 2: Convert to fraction form
    80,278,851,236.49/120,392,496,848.25 = 26,483,894,262.81/x
  3. Step 3: Cross multiply
    80,278,851,236.49x = 120,392,496,848.25 × 26,483,894,262.81
  4. Step 4: Simplify right side
    80,278,851,236.49x = 3,188,462,156,564,739,391,488
  5. Step 5: Solve for x
    x = 3,188,462,156,564,739,391,488/80,278,851,236.49
  6. Step 6: Final answer
    x = 39,717,336,601.79

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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.