Home / 839,819,401.20-1,259,729,101.80-494,595,327.60

Finding the Fourth Proportional to 839,819,401.20, 1,259,729,101.80 and 494,595,327.60

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Solution

The fourth proportional to 839,819,401.20, 1,259,729,101.80 and 494,595,327.60 is: 741,892,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,819,401.20 : 1,259,729,101.80 = 494,595,327.60 : x
  2. Step 2: Convert to fraction form
    839,819,401.20/1,259,729,101.80 = 494,595,327.60/x
  3. Step 3: Cross multiply
    839,819,401.20x = 1,259,729,101.80 × 494,595,327.60
  4. Step 4: Simplify right side
    839,819,401.20x = 623,056,127,792,024,704
  5. Step 5: Solve for x
    x = 623,056,127,792,024,704/839,819,401.20
  6. Step 6: Final answer
    x = 741,892,991.40

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1.5x scale

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.