Home / 328,612,308.84-492,135,971.43-190,146,103.65

Finding the Fourth Proportional to 328,612,308.84, 492,135,971.43 and 190,146,103.65

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Solution

The fourth proportional to 328,612,308.84, 492,135,971.43 and 190,146,103.65 is: 284,766,379.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,612,308.84 : 492,135,971.43 = 190,146,103.65 : x
  2. Step 2: Convert to fraction form
    328,612,308.84/492,135,971.43 = 190,146,103.65/x
  3. Step 3: Cross multiply
    328,612,308.84x = 492,135,971.43 × 190,146,103.65
  4. Step 4: Simplify right side
    328,612,308.84x = 93,577,737,433,422,224
  5. Step 5: Solve for x
    x = 93,577,737,433,422,224/328,612,308.84
  6. Step 6: Final answer
    x = 284,766,379.46

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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.