Home / 457,753,994.74-631,623,930.50-269,619,747.31

Finding the Fourth Proportional to 457,753,994.74, 631,623,930.50 and 269,619,747.31

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Solution

The fourth proportional to 457,753,994.74, 631,623,930.50 and 269,619,747.31 is: 372,030,143.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,753,994.74 : 631,623,930.50 = 269,619,747.31 : x
  2. Step 2: Convert to fraction form
    457,753,994.74/631,623,930.50 = 269,619,747.31/x
  3. Step 3: Cross multiply
    457,753,994.74x = 631,623,930.50 × 269,619,747.31
  4. Step 4: Simplify right side
    457,753,994.74x = 170,298,284,531,852,800
  5. Step 5: Solve for x
    x = 170,298,284,531,852,800/457,753,994.74
  6. Step 6: Final answer
    x = 372,030,143.90

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