Home / 699,100,085.66-964,744,442.82-381,562,608.29

Finding the Fourth Proportional to 699,100,085.66, 964,744,442.82 and 381,562,608.29

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Solution

The fourth proportional to 699,100,085.66, 964,744,442.82 and 381,562,608.29 is: 526,548,935.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,100,085.66 : 964,744,442.82 = 381,562,608.29 : x
  2. Step 2: Convert to fraction form
    699,100,085.66/964,744,442.82 = 381,562,608.29/x
  3. Step 3: Cross multiply
    699,100,085.66x = 964,744,442.82 × 381,562,608.29
  4. Step 4: Simplify right side
    699,100,085.66x = 368,110,405,930,858,304
  5. Step 5: Solve for x
    x = 368,110,405,930,858,304/699,100,085.66
  6. Step 6: Final answer
    x = 526,548,935.53

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1.5x scale

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.