Home / 311,364,579,455.44-466,999,679,100.48-84,741,691,281.68

Finding the Fourth Proportional to 311,364,579,455.44, 466,999,679,100.48 and 84,741,691,281.68

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Solution

The fourth proportional to 311,364,579,455.44, 466,999,679,100.48 and 84,741,691,281.68 is: 127,099,693,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,364,579,455.44 : 466,999,679,100.48 = 84,741,691,281.68 : x
  2. Step 2: Convert to fraction form
    311,364,579,455.44/466,999,679,100.48 = 84,741,691,281.68/x
  3. Step 3: Cross multiply
    311,364,579,455.44x = 466,999,679,100.48 × 84,741,691,281.68
  4. Step 4: Simplify right side
    311,364,579,455.44x = 39,574,342,634,976,499,990,528
  5. Step 5: Solve for x
    x = 39,574,342,634,976,499,990,528/311,364,579,455.44
  6. Step 6: Final answer
    x = 127,099,693,562.42

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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.