Home / 671,504,628.80-1,007,267,383.02-198,851,484.53

Finding the Fourth Proportional to 671,504,628.80, 1,007,267,383.02 and 198,851,484.53

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Solution

The fourth proportional to 671,504,628.80, 1,007,267,383.02 and 198,851,484.53 is: 298,280,318.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,504,628.80 : 1,007,267,383.02 = 198,851,484.53 : x
  2. Step 2: Convert to fraction form
    671,504,628.80/1,007,267,383.02 = 198,851,484.53/x
  3. Step 3: Cross multiply
    671,504,628.80x = 1,007,267,383.02 × 198,851,484.53
  4. Step 4: Simplify right side
    671,504,628.80x = 200,296,614,435,448,928
  5. Step 5: Solve for x
    x = 200,296,614,435,448,928/671,504,628.80
  6. Step 6: Final answer
    x = 298,280,318.32

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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.