Home / 397,402,119.73-548,404,901.80-218,784,224.85

Finding the Fourth Proportional to 397,402,119.73, 548,404,901.80 and 218,784,224.85

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Solution

The fourth proportional to 397,402,119.73, 548,404,901.80 and 218,784,224.85 is: 301,916,712.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,402,119.73 : 548,404,901.80 = 218,784,224.85 : x
  2. Step 2: Convert to fraction form
    397,402,119.73/548,404,901.80 = 218,784,224.85/x
  3. Step 3: Cross multiply
    397,402,119.73x = 548,404,901.80 × 218,784,224.85
  4. Step 4: Simplify right side
    397,402,119.73x = 119,982,341,344,253,360
  5. Step 5: Solve for x
    x = 119,982,341,344,253,360/397,402,119.73
  6. Step 6: Final answer
    x = 301,916,712.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.