Home / 658,793,147.13-988,196,807.64-198,735,304.41

Finding the Fourth Proportional to 658,793,147.13, 988,196,807.64 and 198,735,304.41

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Solution

The fourth proportional to 658,793,147.13, 988,196,807.64 and 198,735,304.41 is: 298,105,094.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,793,147.13 : 988,196,807.64 = 198,735,304.41 : x
  2. Step 2: Convert to fraction form
    658,793,147.13/988,196,807.64 = 198,735,304.41/x
  3. Step 3: Cross multiply
    658,793,147.13x = 988,196,807.64 × 198,735,304.41
  4. Step 4: Simplify right side
    658,793,147.13x = 196,389,593,383,325,600
  5. Step 5: Solve for x
    x = 196,389,593,383,325,600/658,793,147.13
  6. Step 6: Final answer
    x = 298,105,094.50

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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.