Home / 1,027,281,439.23-1,540,904,124.60-711,856,591.71

Finding the Fourth Proportional to 1,027,281,439.23, 1,540,904,124.60 and 711,856,591.71

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Solution

The fourth proportional to 1,027,281,439.23, 1,540,904,124.60 and 711,856,591.71 is: 1,067,772,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,281,439.23 : 1,540,904,124.60 = 711,856,591.71 : x
  2. Step 2: Convert to fraction form
    1,027,281,439.23/1,540,904,124.60 = 711,856,591.71/x
  3. Step 3: Cross multiply
    1,027,281,439.23x = 1,540,904,124.60 × 711,856,591.71
  4. Step 4: Simplify right side
    1,027,281,439.23x = 1,096,902,758,289,637,120
  5. Step 5: Solve for x
    x = 1,096,902,758,289,637,120/1,027,281,439.23
  6. Step 6: Final answer
    x = 1,067,772,390.70

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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.