Home / 405,760,813.75-609,034,798.04-195,819,244.39

Finding the Fourth Proportional to 405,760,813.75, 609,034,798.04 and 195,819,244.39

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Solution

The fourth proportional to 405,760,813.75, 609,034,798.04 and 195,819,244.39 is: 293,918,806.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,760,813.75 : 609,034,798.04 = 195,819,244.39 : x
  2. Step 2: Convert to fraction form
    405,760,813.75/609,034,798.04 = 195,819,244.39/x
  3. Step 3: Cross multiply
    405,760,813.75x = 609,034,798.04 × 195,819,244.39
  4. Step 4: Simplify right side
    405,760,813.75x = 119,260,733,959,409,040
  5. Step 5: Solve for x
    x = 119,260,733,959,409,040/405,760,813.75
  6. Step 6: Final answer
    x = 293,918,806.15

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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.