Home / 852,576,222.68-1,278,909,498.39-262,771,564.38

Finding the Fourth Proportional to 852,576,222.68, 1,278,909,498.39 and 262,771,564.38

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Solution

The fourth proportional to 852,576,222.68, 1,278,909,498.39 and 262,771,564.38 is: 394,171,266.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,576,222.68 : 1,278,909,498.39 = 262,771,564.38 : x
  2. Step 2: Convert to fraction form
    852,576,222.68/1,278,909,498.39 = 262,771,564.38/x
  3. Step 3: Cross multiply
    852,576,222.68x = 1,278,909,498.39 × 262,771,564.38
  4. Step 4: Simplify right side
    852,576,222.68x = 336,061,049,592,381,440
  5. Step 5: Solve for x
    x = 336,061,049,592,381,440/852,576,222.68
  6. Step 6: Final answer
    x = 394,171,266.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.