Home / 512,689,072.10-769,054,603.35-149,183,428.10

Finding the Fourth Proportional to 512,689,072.10, 769,054,603.35 and 149,183,428.10

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Solution

The fourth proportional to 512,689,072.10, 769,054,603.35 and 149,183,428.10 is: 223,781,251.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    512,689,072.10 : 769,054,603.35 = 149,183,428.10 : x
  2. Step 2: Convert to fraction form
    512,689,072.10/769,054,603.35 = 149,183,428.10/x
  3. Step 3: Cross multiply
    512,689,072.10x = 769,054,603.35 × 149,183,428.10
  4. Step 4: Simplify right side
    512,689,072.10x = 114,730,202,123,838,736
  5. Step 5: Solve for x
    x = 114,730,202,123,838,736/512,689,072.10
  6. Step 6: Final answer
    x = 223,781,251.38

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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.