Home / 532,322,778.54-734,633,638.54-320,696,228.18

Finding the Fourth Proportional to 532,322,778.54, 734,633,638.54 and 320,696,228.18

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Solution

The fourth proportional to 532,322,778.54, 734,633,638.54 and 320,696,228.18 is: 442,577,786.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,322,778.54 : 734,633,638.54 = 320,696,228.18 : x
  2. Step 2: Convert to fraction form
    532,322,778.54/734,633,638.54 = 320,696,228.18/x
  3. Step 3: Cross multiply
    532,322,778.54x = 734,633,638.54 × 320,696,228.18
  4. Step 4: Simplify right side
    532,322,778.54x = 235,594,236,973,927,488
  5. Step 5: Solve for x
    x = 235,594,236,973,927,488/532,322,778.54
  6. Step 6: Final answer
    x = 442,577,786.40

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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.