Home / 439,873,312.80-659,642,007.60-133,063,456.80

Finding the Fourth Proportional to 439,873,312.80, 659,642,007.60 and 133,063,456.80

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Solution

The fourth proportional to 439,873,312.80, 659,642,007.60 and 133,063,456.80 is: 199,544,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,873,312.80 : 659,642,007.60 = 133,063,456.80 : x
  2. Step 2: Convert to fraction form
    439,873,312.80/659,642,007.60 = 133,063,456.80/x
  3. Step 3: Cross multiply
    439,873,312.80x = 659,642,007.60 × 133,063,456.80
  4. Step 4: Simplify right side
    439,873,312.80x = 87,774,245,781,747,872
  5. Step 5: Solve for x
    x = 87,774,245,781,747,872/439,873,312.80
  6. Step 6: Final answer
    x = 199,544,376.14

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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.