Home / 302,515,314.30-453,772,971.45-199,203,183.90

Finding the Fourth Proportional to 302,515,314.30, 453,772,971.45 and 199,203,183.90

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Solution

The fourth proportional to 302,515,314.30, 453,772,971.45 and 199,203,183.90 is: 298,804,775.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,515,314.30 : 453,772,971.45 = 199,203,183.90 : x
  2. Step 2: Convert to fraction form
    302,515,314.30/453,772,971.45 = 199,203,183.90/x
  3. Step 3: Cross multiply
    302,515,314.30x = 453,772,971.45 × 199,203,183.90
  4. Step 4: Simplify right side
    302,515,314.30x = 90,393,020,680,603,792
  5. Step 5: Solve for x
    x = 90,393,020,680,603,792/302,515,314.30
  6. Step 6: Final answer
    x = 298,804,775.85

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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.