Home / 671,504,632.18-1,007,267,388.09-198,851,487.91

Finding the Fourth Proportional to 671,504,632.18, 1,007,267,388.09 and 198,851,487.91

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Solution

The fourth proportional to 671,504,632.18, 1,007,267,388.09 and 198,851,487.91 is: 298,280,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,504,632.18 : 1,007,267,388.09 = 198,851,487.91 : x
  2. Step 2: Convert to fraction form
    671,504,632.18/1,007,267,388.09 = 198,851,487.91/x
  3. Step 3: Cross multiply
    671,504,632.18x = 1,007,267,388.09 × 198,851,487.91
  4. Step 4: Simplify right side
    671,504,632.18x = 200,296,618,841,661,984
  5. Step 5: Solve for x
    x = 200,296,618,841,661,984/671,504,632.18
  6. Step 6: Final answer
    x = 298,280,323.39

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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.