Home / 398,512,933.08-597,942,044.10-214,065,207.60

Finding the Fourth Proportional to 398,512,933.08, 597,942,044.10 and 214,065,207.60

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Solution

The fourth proportional to 398,512,933.08, 597,942,044.10 and 214,065,207.60 is: 321,190,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,512,933.08 : 597,942,044.10 = 214,065,207.60 : x
  2. Step 2: Convert to fraction form
    398,512,933.08/597,942,044.10 = 214,065,207.60/x
  3. Step 3: Cross multiply
    398,512,933.08x = 597,942,044.10 × 214,065,207.60
  4. Step 4: Simplify right side
    398,512,933.08x = 127,998,587,803,034,864
  5. Step 5: Solve for x
    x = 127,998,587,803,034,864/398,512,933.08
  6. Step 6: Final answer
    x = 321,190,549.11

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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.