Home / 644,153,858.20-966,734,672.10-299,150,234.20

Finding the Fourth Proportional to 644,153,858.20, 966,734,672.10 and 299,150,234.20

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Solution

The fourth proportional to 644,153,858.20, 966,734,672.10 and 299,150,234.20 is: 448,959,359.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,153,858.20 : 966,734,672.10 = 299,150,234.20 : x
  2. Step 2: Convert to fraction form
    644,153,858.20/966,734,672.10 = 299,150,234.20/x
  3. Step 3: Cross multiply
    644,153,858.20x = 966,734,672.10 × 299,150,234.20
  4. Step 4: Simplify right side
    644,153,858.20x = 289,198,903,567,975,232
  5. Step 5: Solve for x
    x = 289,198,903,567,975,232/644,153,858.20
  6. Step 6: Final answer
    x = 448,959,359.46

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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.