Home / 1,671,639,144.09-2,508,146,047.26-738,469,491.90

Finding the Fourth Proportional to 1,671,639,144.09, 2,508,146,047.26 and 738,469,491.90

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Solution

The fourth proportional to 1,671,639,144.09, 2,508,146,047.26 and 738,469,491.90 is: 1,108,007,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,671,639,144.09 : 2,508,146,047.26 = 738,469,491.90 : x
  2. Step 2: Convert to fraction form
    1,671,639,144.09/2,508,146,047.26 = 738,469,491.90/x
  3. Step 3: Cross multiply
    1,671,639,144.09x = 2,508,146,047.26 × 738,469,491.90
  4. Step 4: Simplify right side
    1,671,639,144.09x = 1,852,189,337,131,085,824
  5. Step 5: Solve for x
    x = 1,852,189,337,131,085,824/1,671,639,144.09
  6. Step 6: Final answer
    x = 1,108,007,875.79

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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.