Home / 328,234,984.80-492,352,477.20-251,707,480.80

Finding the Fourth Proportional to 328,234,984.80, 492,352,477.20 and 251,707,480.80

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Solution

The fourth proportional to 328,234,984.80, 492,352,477.20 and 251,707,480.80 is: 377,561,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,234,984.80 : 492,352,477.20 = 251,707,480.80 : x
  2. Step 2: Convert to fraction form
    328,234,984.80/492,352,477.20 = 251,707,480.80/x
  3. Step 3: Cross multiply
    328,234,984.80x = 492,352,477.20 × 251,707,480.80
  4. Step 4: Simplify right side
    328,234,984.80x = 123,928,801,701,651,440
  5. Step 5: Solve for x
    x = 123,928,801,701,651,440/328,234,984.80
  6. Step 6: Final answer
    x = 377,561,221.20

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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.