Home / 552,921,651.78-763,031,850.27-298,602,983.91

Finding the Fourth Proportional to 552,921,651.78, 763,031,850.27 and 298,602,983.91

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Solution

The fourth proportional to 552,921,651.78, 763,031,850.27 and 298,602,983.91 is: 412,072,102.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,921,651.78 : 763,031,850.27 = 298,602,983.91 : x
  2. Step 2: Convert to fraction form
    552,921,651.78/763,031,850.27 = 298,602,983.91/x
  3. Step 3: Cross multiply
    552,921,651.78x = 763,031,850.27 × 298,602,983.91
  4. Step 4: Simplify right side
    552,921,651.78x = 227,843,587,310,151,456
  5. Step 5: Solve for x
    x = 227,843,587,310,151,456/552,921,651.78
  6. Step 6: Final answer
    x = 412,072,102.04

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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.