Home / 839,811,200.80-1,259,716,801.20-758,181,863.20

Finding the Fourth Proportional to 839,811,200.80, 1,259,716,801.20 and 758,181,863.20

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Solution

The fourth proportional to 839,811,200.80, 1,259,716,801.20 and 758,181,863.20 is: 1,137,272,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,811,200.80 : 1,259,716,801.20 = 758,181,863.20 : x
  2. Step 2: Convert to fraction form
    839,811,200.80/1,259,716,801.20 = 758,181,863.20/x
  3. Step 3: Cross multiply
    839,811,200.80x = 1,259,716,801.20 × 758,181,863.20
  4. Step 4: Simplify right side
    839,811,200.80x = 955,094,431,438,160,128
  5. Step 5: Solve for x
    x = 955,094,431,438,160,128/839,811,200.80
  6. Step 6: Final answer
    x = 1,137,272,794.80

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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.