Home / 796,392,731.89-1,098,965,849.66-443,953,132.93

Finding the Fourth Proportional to 796,392,731.89, 1,098,965,849.66 and 443,953,132.93

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Solution

The fourth proportional to 796,392,731.89, 1,098,965,849.66 and 443,953,132.93 is: 612,624,038.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,392,731.89 : 1,098,965,849.66 = 443,953,132.93 : x
  2. Step 2: Convert to fraction form
    796,392,731.89/1,098,965,849.66 = 443,953,132.93/x
  3. Step 3: Cross multiply
    796,392,731.89x = 1,098,965,849.66 × 443,953,132.93
  4. Step 4: Simplify right side
    796,392,731.89x = 487,889,331,934,141,568
  5. Step 5: Solve for x
    x = 487,889,331,934,141,568/796,392,731.89
  6. Step 6: Final answer
    x = 612,624,038.87

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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.