Home / 981,033,648.92-1,471,555,786.98-290,946,881.96

Finding the Fourth Proportional to 981,033,648.92, 1,471,555,786.98 and 290,946,881.96

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Solution

The fourth proportional to 981,033,648.92, 1,471,555,786.98 and 290,946,881.96 is: 436,421,898.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,033,648.92 : 1,471,555,786.98 = 290,946,881.96 : x
  2. Step 2: Convert to fraction form
    981,033,648.92/1,471,555,786.98 = 290,946,881.96/x
  3. Step 3: Cross multiply
    981,033,648.92x = 1,471,555,786.98 × 290,946,881.96
  4. Step 4: Simplify right side
    981,033,648.92x = 428,144,567,852,024,960
  5. Step 5: Solve for x
    x = 428,144,567,852,024,960/981,033,648.92
  6. Step 6: Final answer
    x = 436,421,898.80

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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.