Home / 440,116,512.80-660,174,769.20-210,534,000.80

Finding the Fourth Proportional to 440,116,512.80, 660,174,769.20 and 210,534,000.80

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Solution

The fourth proportional to 440,116,512.80, 660,174,769.20 and 210,534,000.80 is: 315,801,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,116,512.80 : 660,174,769.20 = 210,534,000.80 : x
  2. Step 2: Convert to fraction form
    440,116,512.80/660,174,769.20 = 210,534,000.80/x
  3. Step 3: Cross multiply
    440,116,512.80x = 660,174,769.20 × 210,534,000.80
  4. Step 4: Simplify right side
    440,116,512.80x = 138,989,235,386,892,640
  5. Step 5: Solve for x
    x = 138,989,235,386,892,640/440,116,512.80
  6. Step 6: Final answer
    x = 315,801,001.20

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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.