Home / 699,257,076.74-964,997,605.32-381,734,253.38

Finding the Fourth Proportional to 699,257,076.74, 964,997,605.32 and 381,734,253.38

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Solution

The fourth proportional to 699,257,076.74, 964,997,605.32 and 381,734,253.38 is: 526,805,738.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,257,076.74 : 964,997,605.32 = 381,734,253.38 : x
  2. Step 2: Convert to fraction form
    699,257,076.74/964,997,605.32 = 381,734,253.38/x
  3. Step 3: Cross multiply
    699,257,076.74x = 964,997,605.32 × 381,734,253.38
  4. Step 4: Simplify right side
    699,257,076.74x = 368,372,640,380,318,144
  5. Step 5: Solve for x
    x = 368,372,640,380,318,144/699,257,076.74
  6. Step 6: Final answer
    x = 526,805,738.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.