Home / 1,036,551,198.30-1,553,632,403.85-422,732,420.70

Finding the Fourth Proportional to 1,036,551,198.30, 1,553,632,403.85 and 422,732,420.70

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Solution

The fourth proportional to 1,036,551,198.30, 1,553,632,403.85 and 422,732,420.70 is: 633,611,526.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,551,198.30 : 1,553,632,403.85 = 422,732,420.70 : x
  2. Step 2: Convert to fraction form
    1,036,551,198.30/1,553,632,403.85 = 422,732,420.70/x
  3. Step 3: Cross multiply
    1,036,551,198.30x = 1,553,632,403.85 × 422,732,420.70
  4. Step 4: Simplify right side
    1,036,551,198.30x = 656,770,786,957,470,464
  5. Step 5: Solve for x
    x = 656,770,786,957,470,464/1,036,551,198.30
  6. Step 6: Final answer
    x = 633,611,526.41

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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.