Home / 829,471,999.80-1,244,207,999.70-284,032,255.80

Finding the Fourth Proportional to 829,471,999.80, 1,244,207,999.70 and 284,032,255.80

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Solution

The fourth proportional to 829,471,999.80, 1,244,207,999.70 and 284,032,255.80 is: 426,048,383.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,471,999.80 : 1,244,207,999.70 = 284,032,255.80 : x
  2. Step 2: Convert to fraction form
    829,471,999.80/1,244,207,999.70 = 284,032,255.80/x
  3. Step 3: Cross multiply
    829,471,999.80x = 1,244,207,999.70 × 284,032,255.80
  4. Step 4: Simplify right side
    829,471,999.80x = 353,395,204,839,196,736
  5. Step 5: Solve for x
    x = 353,395,204,839,196,736/829,471,999.80
  6. Step 6: Final answer
    x = 426,048,383.70

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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.