Home / 313,670,577.40-470,505,866.10-288,588,311.80

Finding the Fourth Proportional to 313,670,577.40, 470,505,866.10 and 288,588,311.80

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Solution

The fourth proportional to 313,670,577.40, 470,505,866.10 and 288,588,311.80 is: 432,882,467.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,670,577.40 : 470,505,866.10 = 288,588,311.80 : x
  2. Step 2: Convert to fraction form
    313,670,577.40/470,505,866.10 = 288,588,311.80/x
  3. Step 3: Cross multiply
    313,670,577.40x = 470,505,866.10 × 288,588,311.80
  4. Step 4: Simplify right side
    313,670,577.40x = 135,782,493,589,795,856
  5. Step 5: Solve for x
    x = 135,782,493,589,795,856/313,670,577.40
  6. Step 6: Final answer
    x = 432,882,467.70

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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.