Home / 342,644,098.60-512,916,387.90-188,819,266.60

Finding the Fourth Proportional to 342,644,098.60, 512,916,387.90 and 188,819,266.60

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Solution

The fourth proportional to 342,644,098.60, 512,916,387.90 and 188,819,266.60 is: 282,650,413.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,644,098.60 : 512,916,387.90 = 188,819,266.60 : x
  2. Step 2: Convert to fraction form
    342,644,098.60/512,916,387.90 = 188,819,266.60/x
  3. Step 3: Cross multiply
    342,644,098.60x = 512,916,387.90 × 188,819,266.60
  4. Step 4: Simplify right side
    342,644,098.60x = 96,848,496,190,399,104
  5. Step 5: Solve for x
    x = 96,848,496,190,399,104/342,644,098.60
  6. Step 6: Final answer
    x = 282,650,413.61

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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.