Home / 299,448,011.80-449,138,840.10-245,501,234.20

Finding the Fourth Proportional to 299,448,011.80, 449,138,840.10 and 245,501,234.20

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Solution

The fourth proportional to 299,448,011.80, 449,138,840.10 and 245,501,234.20 is: 368,224,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,448,011.80 : 449,138,840.10 = 245,501,234.20 : x
  2. Step 2: Convert to fraction form
    299,448,011.80/449,138,840.10 = 245,501,234.20/x
  3. Step 3: Cross multiply
    299,448,011.80x = 449,138,840.10 × 245,501,234.20
  4. Step 4: Simplify right side
    299,448,011.80x = 110,264,139,571,706,448
  5. Step 5: Solve for x
    x = 110,264,139,571,706,448/299,448,011.80
  6. Step 6: Final answer
    x = 368,224,650.78

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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.