Home / 28,698,595,658.20-43,047,893,487.30-28,311,612,131.80

Finding the Fourth Proportional to 28,698,595,658.20, 43,047,893,487.30 and 28,311,612,131.80

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Solution

The fourth proportional to 28,698,595,658.20, 43,047,893,487.30 and 28,311,612,131.80 is: 42,467,418,197.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698,595,658.20 : 43,047,893,487.30 = 28,311,612,131.80 : x
  2. Step 2: Convert to fraction form
    28,698,595,658.20/43,047,893,487.30 = 28,311,612,131.80/x
  3. Step 3: Cross multiply
    28,698,595,658.20x = 43,047,893,487.30 × 28,311,612,131.80
  4. Step 4: Simplify right side
    28,698,595,658.20x = 1,218,755,263,503,476,981,760
  5. Step 5: Solve for x
    x = 1,218,755,263,503,476,981,760/28,698,595,658.20
  6. Step 6: Final answer
    x = 42,467,418,197.70

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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.