Home / 796,392,678.42-1,098,965,776.04-443,953,079.46

Finding the Fourth Proportional to 796,392,678.42, 1,098,965,776.04 and 443,953,079.46

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Solution

The fourth proportional to 796,392,678.42, 1,098,965,776.04 and 443,953,079.46 is: 612,623,965.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,392,678.42 : 1,098,965,776.04 = 443,953,079.46 : x
  2. Step 2: Convert to fraction form
    796,392,678.42/1,098,965,776.04 = 443,953,079.46/x
  3. Step 3: Cross multiply
    796,392,678.42x = 1,098,965,776.04 × 443,953,079.46
  4. Step 4: Simplify right side
    796,392,678.42x = 487,889,240,494,106,624
  5. Step 5: Solve for x
    x = 487,889,240,494,106,624/796,392,678.42
  6. Step 6: Final answer
    x = 612,623,965.18

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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.