Home / 326,622,557.45-489,933,836.18-111,211,805.45

Finding the Fourth Proportional to 326,622,557.45, 489,933,836.18 and 111,211,805.45

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Solution

The fourth proportional to 326,622,557.45, 489,933,836.18 and 111,211,805.45 is: 166,817,708.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,622,557.45 : 489,933,836.18 = 111,211,805.45 : x
  2. Step 2: Convert to fraction form
    326,622,557.45/489,933,836.18 = 111,211,805.45/x
  3. Step 3: Cross multiply
    326,622,557.45x = 489,933,836.18 × 111,211,805.45
  4. Step 4: Simplify right side
    326,622,557.45x = 54,486,426,472,066,272
  5. Step 5: Solve for x
    x = 54,486,426,472,066,272/326,622,557.45
  6. Step 6: Final answer
    x = 166,817,708.18

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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.