Home / 658,793,144.12-988,196,803.14-198,735,301.40

Finding the Fourth Proportional to 658,793,144.12, 988,196,803.14 and 198,735,301.40

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Solution

The fourth proportional to 658,793,144.12, 988,196,803.14 and 198,735,301.40 is: 298,105,089.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,793,144.12 : 988,196,803.14 = 198,735,301.40 : x
  2. Step 2: Convert to fraction form
    658,793,144.12/988,196,803.14 = 198,735,301.40/x
  3. Step 3: Cross multiply
    658,793,144.12x = 988,196,803.14 × 198,735,301.40
  4. Step 4: Simplify right side
    658,793,144.12x = 196,389,589,509,603,392
  5. Step 5: Solve for x
    x = 196,389,589,509,603,392/658,793,144.12
  6. Step 6: Final answer
    x = 298,105,089.99

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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.