Home / 419,952,040.40-629,928,060.60-164,650,408.40

Finding the Fourth Proportional to 419,952,040.40, 629,928,060.60 and 164,650,408.40

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Solution

The fourth proportional to 419,952,040.40, 629,928,060.60 and 164,650,408.40 is: 246,975,612.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,952,040.40 : 629,928,060.60 = 164,650,408.40 : x
  2. Step 2: Convert to fraction form
    419,952,040.40/629,928,060.60 = 164,650,408.40/x
  3. Step 3: Cross multiply
    419,952,040.40x = 629,928,060.60 × 164,650,408.40
  4. Step 4: Simplify right side
    419,952,040.40x = 103,717,912,440,409,952
  5. Step 5: Solve for x
    x = 103,717,912,440,409,952/419,952,040.40
  6. Step 6: Final answer
    x = 246,975,612.60

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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.