Home / 777,208,840.10-1,165,066,764.15-449,347,796.90

Finding the Fourth Proportional to 777,208,840.10, 1,165,066,764.15 and 449,347,796.90

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Solution

The fourth proportional to 777,208,840.10, 1,165,066,764.15 and 449,347,796.90 is: 673,590,104.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,208,840.10 : 1,165,066,764.15 = 449,347,796.90 : x
  2. Step 2: Convert to fraction form
    777,208,840.10/1,165,066,764.15 = 449,347,796.90/x
  3. Step 3: Cross multiply
    777,208,840.10x = 1,165,066,764.15 × 449,347,796.90
  4. Step 4: Simplify right side
    777,208,840.10x = 523,520,183,712,214,400
  5. Step 5: Solve for x
    x = 523,520,183,712,214,400/777,208,840.10
  6. Step 6: Final answer
    x = 673,590,104.36

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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.