Home / 725,064,157.62-1,087,603,863.66-580,417,235.28

Finding the Fourth Proportional to 725,064,157.62, 1,087,603,863.66 and 580,417,235.28

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Solution

The fourth proportional to 725,064,157.62, 1,087,603,863.66 and 580,417,235.28 is: 870,631,958.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,064,157.62 : 1,087,603,863.66 = 580,417,235.28 : x
  2. Step 2: Convert to fraction form
    725,064,157.62/1,087,603,863.66 = 580,417,235.28/x
  3. Step 3: Cross multiply
    725,064,157.62x = 1,087,603,863.66 × 580,417,235.28
  4. Step 4: Simplify right side
    725,064,157.62x = 631,264,027,625,383,296
  5. Step 5: Solve for x
    x = 631,264,027,625,383,296/725,064,157.62
  6. Step 6: Final answer
    x = 870,631,958.55

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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.