Home / 439,065,904.35-658,659,420-254,920,103.40

Finding the Fourth Proportional to 439,065,904.35, 658,659,420 and 254,920,103.40

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Solution

The fourth proportional to 439,065,904.35, 658,659,420 and 254,920,103.40 is: 382,415,318.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,065,904.35 : 658,659,420 = 254,920,103.40 : x
  2. Step 2: Convert to fraction form
    439,065,904.35/658,659,420 = 254,920,103.40/x
  3. Step 3: Cross multiply
    439,065,904.35x = 658,659,420 × 254,920,103.40
  4. Step 4: Simplify right side
    439,065,904.35x = 167,905,527,451,784,032
  5. Step 5: Solve for x
    x = 167,905,527,451,784,032/439,065,904.35
  6. Step 6: Final answer
    x = 382,415,318.04

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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.