Home / 449,214,742.20-674,325,998.10-347,430,012.60

Finding the Fourth Proportional to 449,214,742.20, 674,325,998.10 and 347,430,012.60

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Solution

The fourth proportional to 449,214,742.20, 674,325,998.10 and 347,430,012.60 is: 521,534,731.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,214,742.20 : 674,325,998.10 = 347,430,012.60 : x
  2. Step 2: Convert to fraction form
    449,214,742.20/674,325,998.10 = 347,430,012.60/x
  3. Step 3: Cross multiply
    449,214,742.20x = 674,325,998.10 × 347,430,012.60
  4. Step 4: Simplify right side
    449,214,742.20x = 234,281,090,016,390,592
  5. Step 5: Solve for x
    x = 234,281,090,016,390,592/449,214,742.20
  6. Step 6: Final answer
    x = 521,534,731.63

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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.