Home / 328,032,774.60-492,049,161.90-133,879,662.60

Finding the Fourth Proportional to 328,032,774.60, 492,049,161.90 and 133,879,662.60

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Solution

The fourth proportional to 328,032,774.60, 492,049,161.90 and 133,879,662.60 is: 200,819,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,032,774.60 : 492,049,161.90 = 133,879,662.60 : x
  2. Step 2: Convert to fraction form
    328,032,774.60/492,049,161.90 = 133,879,662.60/x
  3. Step 3: Cross multiply
    328,032,774.60x = 492,049,161.90 × 133,879,662.60
  4. Step 4: Simplify right side
    328,032,774.60x = 65,875,375,777,784,768
  5. Step 5: Solve for x
    x = 65,875,375,777,784,768/328,032,774.60
  6. Step 6: Final answer
    x = 200,819,493.90

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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.