Home / 725,795,635.80-1,088,693,453.70-419,685,619.80

Finding the Fourth Proportional to 725,795,635.80, 1,088,693,453.70 and 419,685,619.80

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Solution

The fourth proportional to 725,795,635.80, 1,088,693,453.70 and 419,685,619.80 is: 629,528,429.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,795,635.80 : 1,088,693,453.70 = 419,685,619.80 : x
  2. Step 2: Convert to fraction form
    725,795,635.80/1,088,693,453.70 = 419,685,619.80/x
  3. Step 3: Cross multiply
    725,795,635.80x = 1,088,693,453.70 × 419,685,619.80
  4. Step 4: Simplify right side
    725,795,635.80x = 456,908,986,888,287,168
  5. Step 5: Solve for x
    x = 456,908,986,888,287,168/725,795,635.80
  6. Step 6: Final answer
    x = 629,528,429.70

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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.