Home / 457,503,606.38-631,361,370.76-248,659,686.38

Finding the Fourth Proportional to 457,503,606.38, 631,361,370.76 and 248,659,686.38

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Solution

The fourth proportional to 457,503,606.38, 631,361,370.76 and 248,659,686.38 is: 343,153,842.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,503,606.38 : 631,361,370.76 = 248,659,686.38 : x
  2. Step 2: Convert to fraction form
    457,503,606.38/631,361,370.76 = 248,659,686.38/x
  3. Step 3: Cross multiply
    457,503,606.38x = 631,361,370.76 × 248,659,686.38
  4. Step 4: Simplify right side
    457,503,606.38x = 156,994,120,445,628,512
  5. Step 5: Solve for x
    x = 156,994,120,445,628,512/457,503,606.38
  6. Step 6: Final answer
    x = 343,153,842.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.