Home / 816,379,888.10-1,126,571,795.78-481,960,136.92

Finding the Fourth Proportional to 816,379,888.10, 1,126,571,795.78 and 481,960,136.92

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Solution

The fourth proportional to 816,379,888.10, 1,126,571,795.78 and 481,960,136.92 is: 665,085,831.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,379,888.10 : 1,126,571,795.78 = 481,960,136.92 : x
  2. Step 2: Convert to fraction form
    816,379,888.10/1,126,571,795.78 = 481,960,136.92/x
  3. Step 3: Cross multiply
    816,379,888.10x = 1,126,571,795.78 × 481,960,136.92
  4. Step 4: Simplify right side
    816,379,888.10x = 542,962,696,944,340,160
  5. Step 5: Solve for x
    x = 542,962,696,944,340,160/816,379,888.10
  6. Step 6: Final answer
    x = 665,085,831.80

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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.