Home / 496,433,891.20-744,650,836.80-419,906,387.20

Finding the Fourth Proportional to 496,433,891.20, 744,650,836.80 and 419,906,387.20

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Solution

The fourth proportional to 496,433,891.20, 744,650,836.80 and 419,906,387.20 is: 629,859,580.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,433,891.20 : 744,650,836.80 = 419,906,387.20 : x
  2. Step 2: Convert to fraction form
    496,433,891.20/744,650,836.80 = 419,906,387.20/x
  3. Step 3: Cross multiply
    496,433,891.20x = 744,650,836.80 × 419,906,387.20
  4. Step 4: Simplify right side
    496,433,891.20x = 312,683,642,606,144,768
  5. Step 5: Solve for x
    x = 312,683,642,606,144,768/496,433,891.20
  6. Step 6: Final answer
    x = 629,859,580.80

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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.