Home / 484,821,849.28-727,334,909.52-157,271,786.32

Finding the Fourth Proportional to 484,821,849.28, 727,334,909.52 and 157,271,786.32

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Solution

The fourth proportional to 484,821,849.28, 727,334,909.52 and 157,271,786.32 is: 235,940,811.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,821,849.28 : 727,334,909.52 = 157,271,786.32 : x
  2. Step 2: Convert to fraction form
    484,821,849.28/727,334,909.52 = 157,271,786.32/x
  3. Step 3: Cross multiply
    484,821,849.28x = 727,334,909.52 × 157,271,786.32
  4. Step 4: Simplify right side
    484,821,849.28x = 114,389,260,468,682,944
  5. Step 5: Solve for x
    x = 114,389,260,468,682,944/484,821,849.28
  6. Step 6: Final answer
    x = 235,940,811.33

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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.