Home / 796,392,679.92-1,098,965,778.12-443,953,080.96

Finding the Fourth Proportional to 796,392,679.92, 1,098,965,778.12 and 443,953,080.96

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Solution

The fourth proportional to 796,392,679.92, 1,098,965,778.12 and 443,953,080.96 is: 612,623,967.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,392,679.92 : 1,098,965,778.12 = 443,953,080.96 : x
  2. Step 2: Convert to fraction form
    796,392,679.92/1,098,965,778.12 = 443,953,080.96/x
  3. Step 3: Cross multiply
    796,392,679.92x = 1,098,965,778.12 × 443,953,080.96
  4. Step 4: Simplify right side
    796,392,679.92x = 487,889,243,065,977,664
  5. Step 5: Solve for x
    x = 487,889,243,065,977,664/796,392,679.92
  6. Step 6: Final answer
    x = 612,623,967.26

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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.