Home / 414,910,830.60-621,941,093.10-242,298,793.80

Finding the Fourth Proportional to 414,910,830.60, 621,941,093.10 and 242,298,793.80

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Solution

The fourth proportional to 414,910,830.60, 621,941,093.10 and 242,298,793.80 is: 363,199,910.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,910,830.60 : 621,941,093.10 = 242,298,793.80 : x
  2. Step 2: Convert to fraction form
    414,910,830.60/621,941,093.10 = 242,298,793.80/x
  3. Step 3: Cross multiply
    414,910,830.60x = 621,941,093.10 × 242,298,793.80
  4. Step 4: Simplify right side
    414,910,830.60x = 150,695,576,672,783,520
  5. Step 5: Solve for x
    x = 150,695,576,672,783,520/414,910,830.60
  6. Step 6: Final answer
    x = 363,199,910.82

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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.