Home / 405,573,794.54-559,691,985.57-219,934,761.02

Finding the Fourth Proportional to 405,573,794.54, 559,691,985.57 and 219,934,761.02

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Solution

The fourth proportional to 405,573,794.54, 559,691,985.57 and 219,934,761.02 is: 303,510,051.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,573,794.54 : 559,691,985.57 = 219,934,761.02 : x
  2. Step 2: Convert to fraction form
    405,573,794.54/559,691,985.57 = 219,934,761.02/x
  3. Step 3: Cross multiply
    405,573,794.54x = 559,691,985.57 × 219,934,761.02
  4. Step 4: Simplify right side
    405,573,794.54x = 123,095,723,091,147,264
  5. Step 5: Solve for x
    x = 123,095,723,091,147,264/405,573,794.54
  6. Step 6: Final answer
    x = 303,510,051.06

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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.