Home / 885,384,003.70-1,328,076,005.55-271,998,738.10

Finding the Fourth Proportional to 885,384,003.70, 1,328,076,005.55 and 271,998,738.10

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Solution

The fourth proportional to 885,384,003.70, 1,328,076,005.55 and 271,998,738.10 is: 407,998,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,384,003.70 : 1,328,076,005.55 = 271,998,738.10 : x
  2. Step 2: Convert to fraction form
    885,384,003.70/1,328,076,005.55 = 271,998,738.10/x
  3. Step 3: Cross multiply
    885,384,003.70x = 1,328,076,005.55 × 271,998,738.10
  4. Step 4: Simplify right side
    885,384,003.70x = 361,234,997,610,488,640
  5. Step 5: Solve for x
    x = 361,234,997,610,488,640/885,384,003.70
  6. Step 6: Final answer
    x = 407,998,107.15

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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.