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Finding the Fourth Proportional to 299,681,624.80, 449,018,552.40 and 248,285,375.20

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Solution

The fourth proportional to 299,681,624.80, 449,018,552.40 and 248,285,375.20 is: 372,010,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,681,624.80 : 449,018,552.40 = 248,285,375.20 : x
  2. Step 2: Convert to fraction form
    299,681,624.80/449,018,552.40 = 248,285,375.20/x
  3. Step 3: Cross multiply
    299,681,624.80x = 449,018,552.40 × 248,285,375.20
  4. Step 4: Simplify right side
    299,681,624.80x = 111,484,739,754,394,848
  5. Step 5: Solve for x
    x = 111,484,739,754,394,848/299,681,624.80
  6. Step 6: Final answer
    x = 372,010,595.67

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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.