Home / 825,019,851,949.46-1,138,527,450,439.70-459,206,204,692.20

Finding the Fourth Proportional to 825,019,851,949.46, 1,138,527,450,439.70 and 459,206,204,692.20

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Solution

The fourth proportional to 825,019,851,949.46, 1,138,527,450,439.70 and 459,206,204,692.20 is: 633,704,592,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,019,851,949.46 : 1,138,527,450,439.70 = 459,206,204,692.20 : x
  2. Step 2: Convert to fraction form
    825,019,851,949.46/1,138,527,450,439.70 = 459,206,204,692.20/x
  3. Step 3: Cross multiply
    825,019,851,949.46x = 1,138,527,450,439.70 × 459,206,204,692.20
  4. Step 4: Simplify right side
    825,019,851,949.46x = 522,818,869,454,301,481,140,224
  5. Step 5: Solve for x
    x = 522,818,869,454,301,481,140,224/825,019,851,949.46
  6. Step 6: Final answer
    x = 633,704,592,948.79

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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.