Home / 405,573,795.04-559,691,986.26-219,934,761.52

Finding the Fourth Proportional to 405,573,795.04, 559,691,986.26 and 219,934,761.52

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Solution

The fourth proportional to 405,573,795.04, 559,691,986.26 and 219,934,761.52 is: 303,510,051.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,573,795.04 : 559,691,986.26 = 219,934,761.52 : x
  2. Step 2: Convert to fraction form
    405,573,795.04/559,691,986.26 = 219,934,761.52/x
  3. Step 3: Cross multiply
    405,573,795.04x = 559,691,986.26 × 219,934,761.52
  4. Step 4: Simplify right side
    405,573,795.04x = 123,095,723,522,748,224
  5. Step 5: Solve for x
    x = 123,095,723,522,748,224/405,573,795.04
  6. Step 6: Final answer
    x = 303,510,051.75

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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.