Home / 717,961,912.29-1,077,054,216.75-303,440,478.75

Finding the Fourth Proportional to 717,961,912.29, 1,077,054,216.75 and 303,440,478.75

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Solution

The fourth proportional to 717,961,912.29, 1,077,054,216.75 and 303,440,478.75 is: 455,207,778.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,961,912.29 : 1,077,054,216.75 = 303,440,478.75 : x
  2. Step 2: Convert to fraction form
    717,961,912.29/1,077,054,216.75 = 303,440,478.75/x
  3. Step 3: Cross multiply
    717,961,912.29x = 1,077,054,216.75 × 303,440,478.75
  4. Step 4: Simplify right side
    717,961,912.29x = 326,821,847,170,326,272
  5. Step 5: Solve for x
    x = 326,821,847,170,326,272/717,961,912.29
  6. Step 6: Final answer
    x = 455,207,778.54

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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.