Home / 198,044,536.60-297,066,804.90-189,647,768.80

Finding the Fourth Proportional to 198,044,536.60, 297,066,804.90 and 189,647,768.80

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Solution

The fourth proportional to 198,044,536.60, 297,066,804.90 and 189,647,768.80 is: 284,471,653.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,044,536.60 : 297,066,804.90 = 189,647,768.80 : x
  2. Step 2: Convert to fraction form
    198,044,536.60/297,066,804.90 = 189,647,768.80/x
  3. Step 3: Cross multiply
    198,044,536.60x = 297,066,804.90 × 189,647,768.80
  4. Step 4: Simplify right side
    198,044,536.60x = 56,338,056,733,829,904
  5. Step 5: Solve for x
    x = 56,338,056,733,829,904/198,044,536.60
  6. Step 6: Final answer
    x = 284,471,653.20

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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.