Home / 532,322,765.52-734,633,620.59-320,696,215.17

Finding the Fourth Proportional to 532,322,765.52, 734,633,620.59 and 320,696,215.17

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Solution

The fourth proportional to 532,322,765.52, 734,633,620.59 and 320,696,215.17 is: 442,577,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,322,765.52 : 734,633,620.59 = 320,696,215.17 : x
  2. Step 2: Convert to fraction form
    532,322,765.52/734,633,620.59 = 320,696,215.17/x
  3. Step 3: Cross multiply
    532,322,765.52x = 734,633,620.59 × 320,696,215.17
  4. Step 4: Simplify right side
    532,322,765.52x = 235,594,221,659,846,816
  5. Step 5: Solve for x
    x = 235,594,221,659,846,816/532,322,765.52
  6. Step 6: Final answer
    x = 442,577,768.45

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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.