Home / 777,208,843.60-1,165,066,769.40-449,347,800.40

Finding the Fourth Proportional to 777,208,843.60, 1,165,066,769.40 and 449,347,800.40

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Solution

The fourth proportional to 777,208,843.60, 1,165,066,769.40 and 449,347,800.40 is: 673,590,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,208,843.60 : 1,165,066,769.40 = 449,347,800.40 : x
  2. Step 2: Convert to fraction form
    777,208,843.60/1,165,066,769.40 = 449,347,800.40/x
  3. Step 3: Cross multiply
    777,208,843.60x = 1,165,066,769.40 × 449,347,800.40
  4. Step 4: Simplify right side
    777,208,843.60x = 523,520,190,149,024,064
  5. Step 5: Solve for x
    x = 523,520,190,149,024,064/777,208,843.60
  6. Step 6: Final answer
    x = 673,590,109.61

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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.