Home / 298,851,242.85-412,546,958.80-193,056,242.40

Finding the Fourth Proportional to 298,851,242.85, 412,546,958.80 and 193,056,242.40

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Solution

The fourth proportional to 298,851,242.85, 412,546,958.80 and 193,056,242.40 is: 266,503,043.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,851,242.85 : 412,546,958.80 = 193,056,242.40 : x
  2. Step 2: Convert to fraction form
    298,851,242.85/412,546,958.80 = 193,056,242.40/x
  3. Step 3: Cross multiply
    298,851,242.85x = 412,546,958.80 × 193,056,242.40
  4. Step 4: Simplify right side
    298,851,242.85x = 79,644,765,678,992,976
  5. Step 5: Solve for x
    x = 79,644,765,678,992,976/298,851,242.85
  6. Step 6: Final answer
    x = 266,503,043.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.