Home / 756,716,726.88-1,044,268,621.20-409,036,214.88

Finding the Fourth Proportional to 756,716,726.88, 1,044,268,621.20 and 409,036,214.88

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Solution

The fourth proportional to 756,716,726.88, 1,044,268,621.20 and 409,036,214.88 is: 564,469,726.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,716,726.88 : 1,044,268,621.20 = 409,036,214.88 : x
  2. Step 2: Convert to fraction form
    756,716,726.88/1,044,268,621.20 = 409,036,214.88/x
  3. Step 3: Cross multiply
    756,716,726.88x = 1,044,268,621.20 × 409,036,214.88
  4. Step 4: Simplify right side
    756,716,726.88x = 427,143,684,133,604,544
  5. Step 5: Solve for x
    x = 427,143,684,133,604,544/756,716,726.88
  6. Step 6: Final answer
    x = 564,469,726.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.