Home / 405,760,795.53-609,034,770.78-195,819,226.20

Finding the Fourth Proportional to 405,760,795.53, 609,034,770.78 and 195,819,226.20

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Solution

The fourth proportional to 405,760,795.53, 609,034,770.78 and 195,819,226.20 is: 293,918,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,760,795.53 : 609,034,770.78 = 195,819,226.20 : x
  2. Step 2: Convert to fraction form
    405,760,795.53/609,034,770.78 = 195,819,226.20/x
  3. Step 3: Cross multiply
    405,760,795.53x = 609,034,770.78 × 195,819,226.20
  4. Step 4: Simplify right side
    405,760,795.53x = 119,260,717,543,033,952
  5. Step 5: Solve for x
    x = 119,260,717,543,033,952/405,760,795.53
  6. Step 6: Final answer
    x = 293,918,778.89

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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.