Home / 404,351,998.80-606,527,998.20-268,191,128.40

Finding the Fourth Proportional to 404,351,998.80, 606,527,998.20 and 268,191,128.40

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Solution

The fourth proportional to 404,351,998.80, 606,527,998.20 and 268,191,128.40 is: 402,286,692.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,351,998.80 : 606,527,998.20 = 268,191,128.40 : x
  2. Step 2: Convert to fraction form
    404,351,998.80/606,527,998.20 = 268,191,128.40/x
  3. Step 3: Cross multiply
    404,351,998.80x = 606,527,998.20 × 268,191,128.40
  4. Step 4: Simplify right side
    404,351,998.80x = 162,665,428,243,451,200
  5. Step 5: Solve for x
    x = 162,665,428,243,451,200/404,351,998.80
  6. Step 6: Final answer
    x = 402,286,692.60

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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.