Home / 705,682,218.88-1,058,643,922.35-290,932,316.77

Finding the Fourth Proportional to 705,682,218.88, 1,058,643,922.35 and 290,932,316.77

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Solution

The fourth proportional to 705,682,218.88, 1,058,643,922.35 and 290,932,316.77 is: 436,448,192.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,682,218.88 : 1,058,643,922.35 = 290,932,316.77 : x
  2. Step 2: Convert to fraction form
    705,682,218.88/1,058,643,922.35 = 290,932,316.77/x
  3. Step 3: Cross multiply
    705,682,218.88x = 1,058,643,922.35 × 290,932,316.77
  4. Step 4: Simplify right side
    705,682,218.88x = 307,993,728,967,170,944
  5. Step 5: Solve for x
    x = 307,993,728,967,170,944/705,682,218.88
  6. Step 6: Final answer
    x = 436,448,192.58

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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.