Home / 796,392,685.36-1,098,965,785.62-443,953,086.40

Finding the Fourth Proportional to 796,392,685.36, 1,098,965,785.62 and 443,953,086.40

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Solution

The fourth proportional to 796,392,685.36, 1,098,965,785.62 and 443,953,086.40 is: 612,623,974.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,392,685.36 : 1,098,965,785.62 = 443,953,086.40 : x
  2. Step 2: Convert to fraction form
    796,392,685.36/1,098,965,785.62 = 443,953,086.40/x
  3. Step 3: Cross multiply
    796,392,685.36x = 1,098,965,785.62 × 443,953,086.40
  4. Step 4: Simplify right side
    796,392,685.36x = 487,889,252,373,999,680
  5. Step 5: Solve for x
    x = 487,889,252,373,999,680/796,392,685.36
  6. Step 6: Final answer
    x = 612,623,974.76

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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.