Home / 326,619,332.40-489,928,998.60-223,154,986.80

Finding the Fourth Proportional to 326,619,332.40, 489,928,998.60 and 223,154,986.80

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Solution

The fourth proportional to 326,619,332.40, 489,928,998.60 and 223,154,986.80 is: 334,732,480.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,619,332.40 : 489,928,998.60 = 223,154,986.80 : x
  2. Step 2: Convert to fraction form
    326,619,332.40/489,928,998.60 = 223,154,986.80/x
  3. Step 3: Cross multiply
    326,619,332.40x = 489,928,998.60 × 223,154,986.80
  4. Step 4: Simplify right side
    326,619,332.40x = 109,330,099,215,520,224
  5. Step 5: Solve for x
    x = 109,330,099,215,520,224/326,619,332.40
  6. Step 6: Final answer
    x = 334,732,480.20

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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.