Home / 705,682,219.64-1,058,643,923.48-290,932,317.53

Finding the Fourth Proportional to 705,682,219.64, 1,058,643,923.48 and 290,932,317.53

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Solution

The fourth proportional to 705,682,219.64, 1,058,643,923.48 and 290,932,317.53 is: 436,448,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,682,219.64 : 1,058,643,923.48 = 290,932,317.53 : x
  2. Step 2: Convert to fraction form
    705,682,219.64/1,058,643,923.48 = 290,932,317.53/x
  3. Step 3: Cross multiply
    705,682,219.64x = 1,058,643,923.48 × 290,932,317.53
  4. Step 4: Simplify right side
    705,682,219.64x = 307,993,730,092,522,432
  5. Step 5: Solve for x
    x = 307,993,730,092,522,432/705,682,219.64
  6. Step 6: Final answer
    x = 436,448,193.71

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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.