Home / 823,668,180.84-1,235,494,460.70-210,243,940.20

Finding the Fourth Proportional to 823,668,180.84, 1,235,494,460.70 and 210,243,940.20

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Solution

The fourth proportional to 823,668,180.84, 1,235,494,460.70 and 210,243,940.20 is: 315,363,916.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,668,180.84 : 1,235,494,460.70 = 210,243,940.20 : x
  2. Step 2: Convert to fraction form
    823,668,180.84/1,235,494,460.70 = 210,243,940.20/x
  3. Step 3: Cross multiply
    823,668,180.84x = 1,235,494,460.70 × 210,243,940.20
  4. Step 4: Simplify right side
    823,668,180.84x = 259,755,223,512,842,048
  5. Step 5: Solve for x
    x = 259,755,223,512,842,048/823,668,180.84
  6. Step 6: Final answer
    x = 315,363,916.63

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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.