Home / 5,187,709,037.28-7,782,041,923.68-1,694,132,820.32

Finding the Fourth Proportional to 5,187,709,037.28, 7,782,041,923.68 and 1,694,132,820.32

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Solution

The fourth proportional to 5,187,709,037.28, 7,782,041,923.68 and 1,694,132,820.32 is: 2,541,355,449.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,187,709,037.28 : 7,782,041,923.68 = 1,694,132,820.32 : x
  2. Step 2: Convert to fraction form
    5,187,709,037.28/7,782,041,923.68 = 1,694,132,820.32/x
  3. Step 3: Cross multiply
    5,187,709,037.28x = 7,782,041,923.68 × 1,694,132,820.32
  4. Step 4: Simplify right side
    5,187,709,037.28x = 13,183,812,632,012,476,416
  5. Step 5: Solve for x
    x = 13,183,812,632,012,476,416/5,187,709,037.28
  6. Step 6: Final answer
    x = 2,541,355,449.44

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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.