Home / 796,392,725.76-1,098,965,841.21-443,953,126.80

Finding the Fourth Proportional to 796,392,725.76, 1,098,965,841.21 and 443,953,126.80

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Solution

The fourth proportional to 796,392,725.76, 1,098,965,841.21 and 443,953,126.80 is: 612,624,030.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,392,725.76 : 1,098,965,841.21 = 443,953,126.80 : x
  2. Step 2: Convert to fraction form
    796,392,725.76/1,098,965,841.21 = 443,953,126.80/x
  3. Step 3: Cross multiply
    796,392,725.76x = 1,098,965,841.21 × 443,953,126.80
  4. Step 4: Simplify right side
    796,392,725.76x = 487,889,321,451,571,840
  5. Step 5: Solve for x
    x = 487,889,321,451,571,840/796,392,725.76
  6. Step 6: Final answer
    x = 612,624,030.42

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Double scale
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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.