Home / 852,022,629.94-1,278,819,574.44-432,138,690.62

Finding the Fourth Proportional to 852,022,629.94, 1,278,819,574.44 and 432,138,690.62

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Solution

The fourth proportional to 852,022,629.94, 1,278,819,574.44 and 432,138,690.62 is: 648,606,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,022,629.94 : 1,278,819,574.44 = 432,138,690.62 : x
  2. Step 2: Convert to fraction form
    852,022,629.94/1,278,819,574.44 = 432,138,690.62/x
  3. Step 3: Cross multiply
    852,022,629.94x = 1,278,819,574.44 × 432,138,690.62
  4. Step 4: Simplify right side
    852,022,629.94x = 552,627,416,437,727,232
  5. Step 5: Solve for x
    x = 552,627,416,437,727,232/852,022,629.94
  6. Step 6: Final answer
    x = 648,606,500.60

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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.