Home / 439,860,764.80-659,623,185.60-133,050,908.80

Finding the Fourth Proportional to 439,860,764.80, 659,623,185.60 and 133,050,908.80

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Solution

The fourth proportional to 439,860,764.80, 659,623,185.60 and 133,050,908.80 is: 199,525,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,860,764.80 : 659,623,185.60 = 133,050,908.80 : x
  2. Step 2: Convert to fraction form
    439,860,764.80/659,623,185.60 = 133,050,908.80/x
  3. Step 3: Cross multiply
    439,860,764.80x = 659,623,185.60 × 133,050,908.80
  4. Step 4: Simplify right side
    439,860,764.80x = 87,763,464,309,631,072
  5. Step 5: Solve for x
    x = 87,763,464,309,631,072/439,860,764.80
  6. Step 6: Final answer
    x = 199,525,557.48

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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.