Home / 311,364,579,340.72-466,999,678,928.30-84,741,691,166.75

Finding the Fourth Proportional to 311,364,579,340.72, 466,999,678,928.30 and 84,741,691,166.75

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Solution

The fourth proportional to 311,364,579,340.72, 466,999,678,928.30 and 84,741,691,166.75 is: 127,099,693,390.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,364,579,340.72 : 466,999,678,928.30 = 84,741,691,166.75 : x
  2. Step 2: Convert to fraction form
    311,364,579,340.72/466,999,678,928.30 = 84,741,691,166.75/x
  3. Step 3: Cross multiply
    311,364,579,340.72x = 466,999,678,928.30 × 84,741,691,166.75
  4. Step 4: Simplify right side
    311,364,579,340.72x = 39,574,342,566,714,806,370,304
  5. Step 5: Solve for x
    x = 39,574,342,566,714,806,370,304/311,364,579,340.72
  6. Step 6: Final answer
    x = 127,099,693,390.01

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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.