Home / 405,573,796.54-559,691,988.33-219,934,763.02

Finding the Fourth Proportional to 405,573,796.54, 559,691,988.33 and 219,934,763.02

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Solution

The fourth proportional to 405,573,796.54, 559,691,988.33 and 219,934,763.02 is: 303,510,053.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,573,796.54 : 559,691,988.33 = 219,934,763.02 : x
  2. Step 2: Convert to fraction form
    405,573,796.54/559,691,988.33 = 219,934,763.02/x
  3. Step 3: Cross multiply
    405,573,796.54x = 559,691,988.33 × 219,934,763.02
  4. Step 4: Simplify right side
    405,573,796.54x = 123,095,724,817,551,168
  5. Step 5: Solve for x
    x = 123,095,724,817,551,168/405,573,796.54
  6. Step 6: Final answer
    x = 303,510,053.82

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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.