Home / 789,614,397.48-1,089,701,910.17-437,190,385.56

Finding the Fourth Proportional to 789,614,397.48, 1,089,701,910.17 and 437,190,385.56

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Solution

The fourth proportional to 789,614,397.48, 1,089,701,910.17 and 437,190,385.56 is: 603,341,580.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,614,397.48 : 1,089,701,910.17 = 437,190,385.56 : x
  2. Step 2: Convert to fraction form
    789,614,397.48/1,089,701,910.17 = 437,190,385.56/x
  3. Step 3: Cross multiply
    789,614,397.48x = 1,089,701,910.17 × 437,190,385.56
  4. Step 4: Simplify right side
    789,614,397.48x = 476,407,198,252,690,816
  5. Step 5: Solve for x
    x = 476,407,198,252,690,816/789,614,397.48
  6. Step 6: Final answer
    x = 603,341,580.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.