Home / 323,446,440.80-484,838,986.80-159,431,938.40

Finding the Fourth Proportional to 323,446,440.80, 484,838,986.80 and 159,431,938.40

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Solution

The fourth proportional to 323,446,440.80, 484,838,986.80 and 159,431,938.40 is: 238,984,912.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,446,440.80 : 484,838,986.80 = 159,431,938.40 : x
  2. Step 2: Convert to fraction form
    323,446,440.80/484,838,986.80 = 159,431,938.40/x
  3. Step 3: Cross multiply
    323,446,440.80x = 484,838,986.80 × 159,431,938.40
  4. Step 4: Simplify right side
    323,446,440.80x = 77,298,819,477,416,016
  5. Step 5: Solve for x
    x = 77,298,819,477,416,016/323,446,440.80
  6. Step 6: Final answer
    x = 238,984,912.88

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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.