Home / 331,801,467.20-497,702,200.80-263,273,134.40

Finding the Fourth Proportional to 331,801,467.20, 497,702,200.80 and 263,273,134.40

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Solution

The fourth proportional to 331,801,467.20, 497,702,200.80 and 263,273,134.40 is: 394,909,701.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,801,467.20 : 497,702,200.80 = 263,273,134.40 : x
  2. Step 2: Convert to fraction form
    331,801,467.20/497,702,200.80 = 263,273,134.40/x
  3. Step 3: Cross multiply
    331,801,467.20x = 497,702,200.80 × 263,273,134.40
  4. Step 4: Simplify right side
    331,801,467.20x = 131,031,618,402,394,192
  5. Step 5: Solve for x
    x = 131,031,618,402,394,192/331,801,467.20
  6. Step 6: Final answer
    x = 394,909,701.60

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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.