Home / 454,795,346.40-682,193,019.60-397,399,718.40

Finding the Fourth Proportional to 454,795,346.40, 682,193,019.60 and 397,399,718.40

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Solution

The fourth proportional to 454,795,346.40, 682,193,019.60 and 397,399,718.40 is: 596,099,577.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,795,346.40 : 682,193,019.60 = 397,399,718.40 : x
  2. Step 2: Convert to fraction form
    454,795,346.40/682,193,019.60 = 397,399,718.40/x
  3. Step 3: Cross multiply
    454,795,346.40x = 682,193,019.60 × 397,399,718.40
  4. Step 4: Simplify right side
    454,795,346.40x = 271,103,313,883,485,664
  5. Step 5: Solve for x
    x = 271,103,313,883,485,664/454,795,346.40
  6. Step 6: Final answer
    x = 596,099,577.60

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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.