Home / 486,362,640.80-729,619,543.92-163,322,095.52

Finding the Fourth Proportional to 486,362,640.80, 729,619,543.92 and 163,322,095.52

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Solution

The fourth proportional to 486,362,640.80, 729,619,543.92 and 163,322,095.52 is: 245,008,524.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,362,640.80 : 729,619,543.92 = 163,322,095.52 : x
  2. Step 2: Convert to fraction form
    486,362,640.80/729,619,543.92 = 163,322,095.52/x
  3. Step 3: Cross multiply
    486,362,640.80x = 729,619,543.92 × 163,322,095.52
  4. Step 4: Simplify right side
    486,362,640.80x = 119,162,992,842,317,904
  5. Step 5: Solve for x
    x = 119,162,992,842,317,904/486,362,640.80
  6. Step 6: Final answer
    x = 245,008,524.19

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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.