Home / 1,454,766,752.80-2,182,150,129.20-419,661,402.40

Finding the Fourth Proportional to 1,454,766,752.80, 2,182,150,129.20 and 419,661,402.40

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Solution

The fourth proportional to 1,454,766,752.80, 2,182,150,129.20 and 419,661,402.40 is: 629,492,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,766,752.80 : 2,182,150,129.20 = 419,661,402.40 : x
  2. Step 2: Convert to fraction form
    1,454,766,752.80/2,182,150,129.20 = 419,661,402.40/x
  3. Step 3: Cross multiply
    1,454,766,752.80x = 2,182,150,129.20 × 419,661,402.40
  4. Step 4: Simplify right side
    1,454,766,752.80x = 915,764,183,467,413,120
  5. Step 5: Solve for x
    x = 915,764,183,467,413,120/1,454,766,752.80
  6. Step 6: Final answer
    x = 629,492,103.60

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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.