Home / 724,135,901.20-1,086,203,851.80-264,089,078.80

Finding the Fourth Proportional to 724,135,901.20, 1,086,203,851.80 and 264,089,078.80

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Solution

The fourth proportional to 724,135,901.20, 1,086,203,851.80 and 264,089,078.80 is: 396,133,618.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,135,901.20 : 1,086,203,851.80 = 264,089,078.80 : x
  2. Step 2: Convert to fraction form
    724,135,901.20/1,086,203,851.80 = 264,089,078.80/x
  3. Step 3: Cross multiply
    724,135,901.20x = 1,086,203,851.80 × 264,089,078.80
  4. Step 4: Simplify right side
    724,135,901.20x = 286,854,574,610,873,728
  5. Step 5: Solve for x
    x = 286,854,574,610,873,728/724,135,901.20
  6. Step 6: Final answer
    x = 396,133,618.20

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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.