Home / 311,364,579,467.52-466,999,679,118.86-84,741,691,294.08

Finding the Fourth Proportional to 311,364,579,467.52, 466,999,679,118.86 and 84,741,691,294.08

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Solution

The fourth proportional to 311,364,579,467.52, 466,999,679,118.86 and 84,741,691,294.08 is: 127,099,693,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,364,579,467.52 : 466,999,679,118.86 = 84,741,691,294.08 : x
  2. Step 2: Convert to fraction form
    311,364,579,467.52/466,999,679,118.86 = 84,741,691,294.08/x
  3. Step 3: Cross multiply
    311,364,579,467.52x = 466,999,679,118.86 × 84,741,691,294.08
  4. Step 4: Simplify right side
    311,364,579,467.52x = 39,574,342,642,324,853,489,664
  5. Step 5: Solve for x
    x = 39,574,342,642,324,853,489,664/311,364,579,467.52
  6. Step 6: Final answer
    x = 127,099,693,581.08

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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.