Home / 328,721,340.52-492,299,327.22-190,255,372.12

Finding the Fourth Proportional to 328,721,340.52, 492,299,327.22 and 190,255,372.12

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Solution

The fourth proportional to 328,721,340.52, 492,299,327.22 and 190,255,372.12 is: 284,930,061.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,721,340.52 : 492,299,327.22 = 190,255,372.12 : x
  2. Step 2: Convert to fraction form
    328,721,340.52/492,299,327.22 = 190,255,372.12/x
  3. Step 3: Cross multiply
    328,721,340.52x = 492,299,327.22 × 190,255,372.12
  4. Step 4: Simplify right side
    328,721,340.52x = 93,662,591,694,666,752
  5. Step 5: Solve for x
    x = 93,662,591,694,666,752/328,721,340.52
  6. Step 6: Final answer
    x = 284,930,061.27

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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.