Home / 331,193,782.40-496,790,673.60-328,926,300.80

Finding the Fourth Proportional to 331,193,782.40, 496,790,673.60 and 328,926,300.80

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Solution

The fourth proportional to 331,193,782.40, 496,790,673.60 and 328,926,300.80 is: 493,389,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,193,782.40 : 496,790,673.60 = 328,926,300.80 : x
  2. Step 2: Convert to fraction form
    331,193,782.40/496,790,673.60 = 328,926,300.80/x
  3. Step 3: Cross multiply
    331,193,782.40x = 496,790,673.60 × 328,926,300.80
  4. Step 4: Simplify right side
    331,193,782.40x = 163,407,518,539,188,224
  5. Step 5: Solve for x
    x = 163,407,518,539,188,224/331,193,782.40
  6. Step 6: Final answer
    x = 493,389,451.20

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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.