Home / 496,496,233.32-685,164,793.86-287,773,441.80

Finding the Fourth Proportional to 496,496,233.32, 685,164,793.86 and 287,773,441.80

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Solution

The fourth proportional to 496,496,233.32, 685,164,793.86 and 287,773,441.80 is: 397,127,344.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,496,233.32 : 685,164,793.86 = 287,773,441.80 : x
  2. Step 2: Convert to fraction form
    496,496,233.32/685,164,793.86 = 287,773,441.80/x
  3. Step 3: Cross multiply
    496,496,233.32x = 685,164,793.86 × 287,773,441.80
  4. Step 4: Simplify right side
    496,496,233.32x = 197,172,230,929,279,712
  5. Step 5: Solve for x
    x = 197,172,230,929,279,712/496,496,233.32
  6. Step 6: Final answer
    x = 397,127,344.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.