Home / 445,570,324.76-668,354,923.98-169,221,024.20

Finding the Fourth Proportional to 445,570,324.76, 668,354,923.98 and 169,221,024.20

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Solution

The fourth proportional to 445,570,324.76, 668,354,923.98 and 169,221,024.20 is: 253,831,322.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,570,324.76 : 668,354,923.98 = 169,221,024.20 : x
  2. Step 2: Convert to fraction form
    445,570,324.76/668,354,923.98 = 169,221,024.20/x
  3. Step 3: Cross multiply
    445,570,324.76x = 668,354,923.98 × 169,221,024.20
  4. Step 4: Simplify right side
    445,570,324.76x = 113,099,704,765,008,736
  5. Step 5: Solve for x
    x = 113,099,704,765,008,736/445,570,324.76
  6. Step 6: Final answer
    x = 253,831,322.42

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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.