Home / 911,022,164.91-1,366,250,785.38-328,680,730.08

Finding the Fourth Proportional to 911,022,164.91, 1,366,250,785.38 and 328,680,730.08

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Solution

The fourth proportional to 911,022,164.91, 1,366,250,785.38 and 328,680,730.08 is: 492,919,187.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,022,164.91 : 1,366,250,785.38 = 328,680,730.08 : x
  2. Step 2: Convert to fraction form
    911,022,164.91/1,366,250,785.38 = 328,680,730.08/x
  3. Step 3: Cross multiply
    911,022,164.91x = 1,366,250,785.38 × 328,680,730.08
  4. Step 4: Simplify right side
    911,022,164.91x = 449,060,305,611,071,808
  5. Step 5: Solve for x
    x = 449,060,305,611,071,808/911,022,164.91
  6. Step 6: Final answer
    x = 492,919,187.82

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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.