Home / 699,026,668.50-964,679,957.19-381,504,251.46

Finding the Fourth Proportional to 699,026,668.50, 964,679,957.19 and 381,504,251.46

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Solution

The fourth proportional to 699,026,668.50, 964,679,957.19 and 381,504,251.46 is: 526,488,504.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,026,668.50 : 964,679,957.19 = 381,504,251.46 : x
  2. Step 2: Convert to fraction form
    699,026,668.50/964,679,957.19 = 381,504,251.46/x
  3. Step 3: Cross multiply
    699,026,668.50x = 964,679,957.19 × 381,504,251.46
  4. Step 4: Simplify right side
    699,026,668.50x = 368,029,504,966,235,776
  5. Step 5: Solve for x
    x = 368,029,504,966,235,776/699,026,668.50
  6. Step 6: Final answer
    x = 526,488,504.02

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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.