Home / 608,981,800.72-840,373,511.88-330,517,719.76

Finding the Fourth Proportional to 608,981,800.72, 840,373,511.88 and 330,517,719.76

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Solution

The fourth proportional to 608,981,800.72, 840,373,511.88 and 330,517,719.76 is: 456,102,853.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,981,800.72 : 840,373,511.88 = 330,517,719.76 : x
  2. Step 2: Convert to fraction form
    608,981,800.72/840,373,511.88 = 330,517,719.76/x
  3. Step 3: Cross multiply
    608,981,800.72x = 840,373,511.88 × 330,517,719.76
  4. Step 4: Simplify right side
    608,981,800.72x = 277,758,336,893,280,864
  5. Step 5: Solve for x
    x = 277,758,336,893,280,864/608,981,800.72
  6. Step 6: Final answer
    x = 456,102,853.26

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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.