Home / 413,426,427.03-620,230,444.11-122,270,850.54

Finding the Fourth Proportional to 413,426,427.03, 620,230,444.11 and 122,270,850.54

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Solution

The fourth proportional to 413,426,427.03, 620,230,444.11 and 122,270,850.54 is: 183,433,130.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,426,427.03 : 620,230,444.11 = 122,270,850.54 : x
  2. Step 2: Convert to fraction form
    413,426,427.03/620,230,444.11 = 122,270,850.54/x
  3. Step 3: Cross multiply
    413,426,427.03x = 620,230,444.11 × 122,270,850.54
  4. Step 4: Simplify right side
    413,426,427.03x = 75,836,103,932,131,632
  5. Step 5: Solve for x
    x = 75,836,103,932,131,632/413,426,427.03
  6. Step 6: Final answer
    x = 183,433,130.96

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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.