Home / 796,392,738.76-1,098,965,859.15-443,953,139.80

Finding the Fourth Proportional to 796,392,738.76, 1,098,965,859.15 and 443,953,139.80

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Solution

The fourth proportional to 796,392,738.76, 1,098,965,859.15 and 443,953,139.80 is: 612,624,048.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,392,738.76 : 1,098,965,859.15 = 443,953,139.80 : x
  2. Step 2: Convert to fraction form
    796,392,738.76/1,098,965,859.15 = 443,953,139.80/x
  3. Step 3: Cross multiply
    796,392,738.76x = 1,098,965,859.15 × 443,953,139.80
  4. Step 4: Simplify right side
    796,392,738.76x = 487,889,343,702,647,104
  5. Step 5: Solve for x
    x = 487,889,343,702,647,104/796,392,738.76
  6. Step 6: Final answer
    x = 612,624,048.36

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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.