Home / 449,074,223.20-673,611,334.80-415,481,903.20

Finding the Fourth Proportional to 449,074,223.20, 673,611,334.80 and 415,481,903.20

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Solution

The fourth proportional to 449,074,223.20, 673,611,334.80 and 415,481,903.20 is: 623,222,854.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,074,223.20 : 673,611,334.80 = 415,481,903.20 : x
  2. Step 2: Convert to fraction form
    449,074,223.20/673,611,334.80 = 415,481,903.20/x
  3. Step 3: Cross multiply
    449,074,223.20x = 673,611,334.80 × 415,481,903.20
  4. Step 4: Simplify right side
    449,074,223.20x = 279,873,319,399,796,352
  5. Step 5: Solve for x
    x = 279,873,319,399,796,352/449,074,223.20
  6. Step 6: Final answer
    x = 623,222,854.80

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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.