Home / 398,608,769.80-597,913,154.70-367,997,768.20

Finding the Fourth Proportional to 398,608,769.80, 597,913,154.70 and 367,997,768.20

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Solution

The fourth proportional to 398,608,769.80, 597,913,154.70 and 367,997,768.20 is: 551,996,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,608,769.80 : 597,913,154.70 = 367,997,768.20 : x
  2. Step 2: Convert to fraction form
    398,608,769.80/597,913,154.70 = 367,997,768.20/x
  3. Step 3: Cross multiply
    398,608,769.80x = 597,913,154.70 × 367,997,768.20
  4. Step 4: Simplify right side
    398,608,769.80x = 220,030,706,507,021,344
  5. Step 5: Solve for x
    x = 220,030,706,507,021,344/398,608,769.80
  6. Step 6: Final answer
    x = 551,996,652.30

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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.