Home / 415,565,103.80-622,936,499.70-196,830,986.60

Finding the Fourth Proportional to 415,565,103.80, 622,936,499.70 and 196,830,986.60

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Solution

The fourth proportional to 415,565,103.80, 622,936,499.70 and 196,830,986.60 is: 295,051,737.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,565,103.80 : 622,936,499.70 = 196,830,986.60 : x
  2. Step 2: Convert to fraction form
    415,565,103.80/622,936,499.70 = 196,830,986.60/x
  3. Step 3: Cross multiply
    415,565,103.80x = 622,936,499.70 × 196,830,986.60
  4. Step 4: Simplify right side
    415,565,103.80x = 122,613,205,825,101,616
  5. Step 5: Solve for x
    x = 122,613,205,825,101,616/415,565,103.80
  6. Step 6: Final answer
    x = 295,051,737.27

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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.