Home / 705,682,244.80-1,058,643,961.29-290,932,342.68

Finding the Fourth Proportional to 705,682,244.80, 1,058,643,961.29 and 290,932,342.68

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Solution

The fourth proportional to 705,682,244.80, 1,058,643,961.29 and 290,932,342.68 is: 436,448,231.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,682,244.80 : 1,058,643,961.29 = 290,932,342.68 : x
  2. Step 2: Convert to fraction form
    705,682,244.80/1,058,643,961.29 = 290,932,342.68/x
  3. Step 3: Cross multiply
    705,682,244.80x = 1,058,643,961.29 × 290,932,342.68
  4. Step 4: Simplify right side
    705,682,244.80x = 307,993,767,722,134,912
  5. Step 5: Solve for x
    x = 307,993,767,722,134,912/705,682,244.80
  6. Step 6: Final answer
    x = 436,448,231.47

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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.