Home / 699,843,623.80-1,049,765,435.70-239,628,839.80

Finding the Fourth Proportional to 699,843,623.80, 1,049,765,435.70 and 239,628,839.80

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Solution

The fourth proportional to 699,843,623.80, 1,049,765,435.70 and 239,628,839.80 is: 359,443,259.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,843,623.80 : 1,049,765,435.70 = 239,628,839.80 : x
  2. Step 2: Convert to fraction form
    699,843,623.80/1,049,765,435.70 = 239,628,839.80/x
  3. Step 3: Cross multiply
    699,843,623.80x = 1,049,765,435.70 × 239,628,839.80
  4. Step 4: Simplify right side
    699,843,623.80x = 251,554,073,418,932,512
  5. Step 5: Solve for x
    x = 251,554,073,418,932,512/699,843,623.80
  6. Step 6: Final answer
    x = 359,443,259.70

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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.