Home / 1,266,284,755.46-1,747,471,637.22-709,371,722.72

Finding the Fourth Proportional to 1,266,284,755.46, 1,747,471,637.22 and 709,371,722.72

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Solution

The fourth proportional to 1,266,284,755.46, 1,747,471,637.22 and 709,371,722.72 is: 978,932,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,284,755.46 : 1,747,471,637.22 = 709,371,722.72 : x
  2. Step 2: Convert to fraction form
    1,266,284,755.46/1,747,471,637.22 = 709,371,722.72/x
  3. Step 3: Cross multiply
    1,266,284,755.46x = 1,747,471,637.22 × 709,371,722.72
  4. Step 4: Simplify right side
    1,266,284,755.46x = 1,239,606,965,700,763,392
  5. Step 5: Solve for x
    x = 1,239,606,965,700,763,392/1,266,284,755.46
  6. Step 6: Final answer
    x = 978,932,234.91

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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.