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Finding the Fourth Proportional to 299,385,370.20, 449,143,373.70 and 170,054,938.20

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Solution

The fourth proportional to 299,385,370.20, 449,143,373.70 and 170,054,938.20 is: 255,119,509.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,385,370.20 : 449,143,373.70 = 170,054,938.20 : x
  2. Step 2: Convert to fraction form
    299,385,370.20/449,143,373.70 = 170,054,938.20/x
  3. Step 3: Cross multiply
    299,385,370.20x = 449,143,373.70 × 170,054,938.20
  4. Step 4: Simplify right side
    299,385,370.20x = 76,379,048,657,492,992
  5. Step 5: Solve for x
    x = 76,379,048,657,492,992/299,385,370.20
  6. Step 6: Final answer
    x = 255,119,509.03

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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.