Home / 1,021,616,777.43-1,532,279,658.83-322,017,993.50

Finding the Fourth Proportional to 1,021,616,777.43, 1,532,279,658.83 and 322,017,993.50

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Solution

The fourth proportional to 1,021,616,777.43, 1,532,279,658.83 and 322,017,993.50 is: 482,981,125.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,616,777.43 : 1,532,279,658.83 = 322,017,993.50 : x
  2. Step 2: Convert to fraction form
    1,021,616,777.43/1,532,279,658.83 = 322,017,993.50/x
  3. Step 3: Cross multiply
    1,021,616,777.43x = 1,532,279,658.83 × 322,017,993.50
  4. Step 4: Simplify right side
    1,021,616,777.43x = 493,421,621,208,029,696
  5. Step 5: Solve for x
    x = 493,421,621,208,029,696/1,021,616,777.43
  6. Step 6: Final answer
    x = 482,981,125.71

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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.