Home / 644,153,858.70-966,734,672.85-299,150,234.70

Finding the Fourth Proportional to 644,153,858.70, 966,734,672.85 and 299,150,234.70

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Solution

The fourth proportional to 644,153,858.70, 966,734,672.85 and 299,150,234.70 is: 448,959,360.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,153,858.70 : 966,734,672.85 = 299,150,234.70 : x
  2. Step 2: Convert to fraction form
    644,153,858.70/966,734,672.85 = 299,150,234.70/x
  3. Step 3: Cross multiply
    644,153,858.70x = 966,734,672.85 × 299,150,234.70
  4. Step 4: Simplify right side
    644,153,858.70x = 289,198,904,275,705,216
  5. Step 5: Solve for x
    x = 289,198,904,275,705,216/644,153,858.70
  6. Step 6: Final answer
    x = 448,959,360.21

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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.