Home / 1,036,551,190.30-1,553,632,391.85-422,732,412.70

Finding the Fourth Proportional to 1,036,551,190.30, 1,553,632,391.85 and 422,732,412.70

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Solution

The fourth proportional to 1,036,551,190.30, 1,553,632,391.85 and 422,732,412.70 is: 633,611,514.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,551,190.30 : 1,553,632,391.85 = 422,732,412.70 : x
  2. Step 2: Convert to fraction form
    1,036,551,190.30/1,553,632,391.85 = 422,732,412.70/x
  3. Step 3: Cross multiply
    1,036,551,190.30x = 1,553,632,391.85 × 422,732,412.70
  4. Step 4: Simplify right side
    1,036,551,190.30x = 656,770,769,455,622,272
  5. Step 5: Solve for x
    x = 656,770,769,455,622,272/1,036,551,190.30
  6. Step 6: Final answer
    x = 633,611,514.42

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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.