Home / 981,033,647.92-1,471,555,785.48-290,946,880.96

Finding the Fourth Proportional to 981,033,647.92, 1,471,555,785.48 and 290,946,880.96

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Solution

The fourth proportional to 981,033,647.92, 1,471,555,785.48 and 290,946,880.96 is: 436,421,897.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,033,647.92 : 1,471,555,785.48 = 290,946,880.96 : x
  2. Step 2: Convert to fraction form
    981,033,647.92/1,471,555,785.48 = 290,946,880.96/x
  3. Step 3: Cross multiply
    981,033,647.92x = 1,471,555,785.48 × 290,946,880.96
  4. Step 4: Simplify right side
    981,033,647.92x = 428,144,565,944,048,832
  5. Step 5: Solve for x
    x = 428,144,565,944,048,832/981,033,647.92
  6. Step 6: Final answer
    x = 436,421,897.30

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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.