Home / 298,504,042.80-447,756,064.20-195,191,912.40

Finding the Fourth Proportional to 298,504,042.80, 447,756,064.20 and 195,191,912.40

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Solution

The fourth proportional to 298,504,042.80, 447,756,064.20 and 195,191,912.40 is: 292,787,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,504,042.80 : 447,756,064.20 = 195,191,912.40 : x
  2. Step 2: Convert to fraction form
    298,504,042.80/447,756,064.20 = 195,191,912.40/x
  3. Step 3: Cross multiply
    298,504,042.80x = 447,756,064.20 × 195,191,912.40
  4. Step 4: Simplify right side
    298,504,042.80x = 87,398,362,459,895,184
  5. Step 5: Solve for x
    x = 87,398,362,459,895,184/298,504,042.80
  6. Step 6: Final answer
    x = 292,787,868.60

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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.