Home / 422,354,912.68-633,533,550.05-131,264,600.32

Finding the Fourth Proportional to 422,354,912.68, 633,533,550.05 and 131,264,600.32

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Solution

The fourth proportional to 422,354,912.68, 633,533,550.05 and 131,264,600.32 is: 196,897,267.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,354,912.68 : 633,533,550.05 = 131,264,600.32 : x
  2. Step 2: Convert to fraction form
    422,354,912.68/633,533,550.05 = 131,264,600.32/x
  3. Step 3: Cross multiply
    422,354,912.68x = 633,533,550.05 × 131,264,600.32
  4. Step 4: Simplify right side
    422,354,912.68x = 83,160,528,237,737,712
  5. Step 5: Solve for x
    x = 83,160,528,237,737,712/422,354,912.68
  6. Step 6: Final answer
    x = 196,897,267.54

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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.