Home / 1,621,690,524.12-2,432,290,004.46-441,362,981.55

Finding the Fourth Proportional to 1,621,690,524.12, 2,432,290,004.46 and 441,362,981.55

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Solution

The fourth proportional to 1,621,690,524.12, 2,432,290,004.46 and 441,362,981.55 is: 661,977,579.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621,690,524.12 : 2,432,290,004.46 = 441,362,981.55 : x
  2. Step 2: Convert to fraction form
    1,621,690,524.12/2,432,290,004.46 = 441,362,981.55/x
  3. Step 3: Cross multiply
    1,621,690,524.12x = 2,432,290,004.46 × 441,362,981.55
  4. Step 4: Simplify right side
    1,621,690,524.12x = 1,073,522,768,362,728,448
  5. Step 5: Solve for x
    x = 1,073,522,768,362,728,448/1,621,690,524.12
  6. Step 6: Final answer
    x = 661,977,579.81

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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.