Home / 405,760,812.75-609,034,796.54-195,819,243.39

Finding the Fourth Proportional to 405,760,812.75, 609,034,796.54 and 195,819,243.39

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Solution

The fourth proportional to 405,760,812.75, 609,034,796.54 and 195,819,243.39 is: 293,918,804.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,760,812.75 : 609,034,796.54 = 195,819,243.39 : x
  2. Step 2: Convert to fraction form
    405,760,812.75/609,034,796.54 = 195,819,243.39/x
  3. Step 3: Cross multiply
    405,760,812.75x = 609,034,796.54 × 195,819,243.39
  4. Step 4: Simplify right side
    405,760,812.75x = 119,260,733,055,666,272
  5. Step 5: Solve for x
    x = 119,260,733,055,666,272/405,760,812.75
  6. Step 6: Final answer
    x = 293,918,804.65

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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.