Home / 699,532,843.80-1,048,820,968.80-331,244,230.80

Finding the Fourth Proportional to 699,532,843.80, 1,048,820,968.80 and 331,244,230.80

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Solution

The fourth proportional to 699,532,843.80, 1,048,820,968.80 and 331,244,230.80 is: 496,639,862.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,532,843.80 : 1,048,820,968.80 = 331,244,230.80 : x
  2. Step 2: Convert to fraction form
    699,532,843.80/1,048,820,968.80 = 331,244,230.80/x
  3. Step 3: Cross multiply
    699,532,843.80x = 1,048,820,968.80 × 331,244,230.80
  4. Step 4: Simplify right side
    699,532,843.80x = 347,415,895,057,066,816
  5. Step 5: Solve for x
    x = 347,415,895,057,066,816/699,532,843.80
  6. Step 6: Final answer
    x = 496,639,862.07

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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.