Home / 311,364,579,429.44-466,999,679,061.52-84,741,691,255.65

Finding the Fourth Proportional to 311,364,579,429.44, 466,999,679,061.52 and 84,741,691,255.65

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Solution

The fourth proportional to 311,364,579,429.44, 466,999,679,061.52 and 84,741,691,255.65 is: 127,099,693,523.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,364,579,429.44 : 466,999,679,061.52 = 84,741,691,255.65 : x
  2. Step 2: Convert to fraction form
    311,364,579,429.44/466,999,679,061.52 = 84,741,691,255.65/x
  3. Step 3: Cross multiply
    311,364,579,429.44x = 466,999,679,061.52 × 84,741,691,255.65
  4. Step 4: Simplify right side
    311,364,579,429.44x = 39,574,342,619,518,031,888,384
  5. Step 5: Solve for x
    x = 39,574,342,619,518,031,888,384/311,364,579,429.44
  6. Step 6: Final answer
    x = 127,099,693,523.38

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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.