Home / 298,997,999.10-448,496,998.65-272,213,372.70

Finding the Fourth Proportional to 298,997,999.10, 448,496,998.65 and 272,213,372.70

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Solution

The fourth proportional to 298,997,999.10, 448,496,998.65 and 272,213,372.70 is: 408,320,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,997,999.10 : 448,496,998.65 = 272,213,372.70 : x
  2. Step 2: Convert to fraction form
    298,997,999.10/448,496,998.65 = 272,213,372.70/x
  3. Step 3: Cross multiply
    298,997,999.10x = 448,496,998.65 × 272,213,372.70
  4. Step 4: Simplify right side
    298,997,999.10x = 122,086,880,648,343,840
  5. Step 5: Solve for x
    x = 122,086,880,648,343,840/298,997,999.10
  6. Step 6: Final answer
    x = 408,320,059.05

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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.