Home / 1,180,478,610.45-1,771,101,031.91-351,439,423.97

Finding the Fourth Proportional to 1,180,478,610.45, 1,771,101,031.91 and 351,439,423.97

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Solution

The fourth proportional to 1,180,478,610.45, 1,771,101,031.91 and 351,439,423.97 is: 527,273,193.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,478,610.45 : 1,771,101,031.91 = 351,439,423.97 : x
  2. Step 2: Convert to fraction form
    1,180,478,610.45/1,771,101,031.91 = 351,439,423.97/x
  3. Step 3: Cross multiply
    1,180,478,610.45x = 1,771,101,031.91 × 351,439,423.97
  4. Step 4: Simplify right side
    1,180,478,610.45x = 622,434,726,447,123,072
  5. Step 5: Solve for x
    x = 622,434,726,447,123,072/1,180,478,610.45
  6. Step 6: Final answer
    x = 527,273,193.21

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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.