Home / 381,711,097.69-526,804,068.84-231,086,776.16

Finding the Fourth Proportional to 381,711,097.69, 526,804,068.84 and 231,086,776.16

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Solution

The fourth proportional to 381,711,097.69, 526,804,068.84 and 231,086,776.16 is: 318,925,634.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,711,097.69 : 526,804,068.84 = 231,086,776.16 : x
  2. Step 2: Convert to fraction form
    381,711,097.69/526,804,068.84 = 231,086,776.16/x
  3. Step 3: Cross multiply
    381,711,097.69x = 526,804,068.84 × 231,086,776.16
  4. Step 4: Simplify right side
    381,711,097.69x = 121,737,453,936,659,056
  5. Step 5: Solve for x
    x = 121,737,453,936,659,056/381,711,097.69
  6. Step 6: Final answer
    x = 318,925,634.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.