Home / 313,920,086.20-470,964,110.10-223,220,822.20

Finding the Fourth Proportional to 313,920,086.20, 470,964,110.10 and 223,220,822.20

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Solution

The fourth proportional to 313,920,086.20, 470,964,110.10 and 223,220,822.20 is: 334,890,949.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,920,086.20 : 470,964,110.10 = 223,220,822.20 : x
  2. Step 2: Convert to fraction form
    313,920,086.20/470,964,110.10 = 223,220,822.20/x
  3. Step 3: Cross multiply
    313,920,086.20x = 470,964,110.10 × 223,220,822.20
  4. Step 4: Simplify right side
    313,920,086.20x = 105,128,995,883,213,328
  5. Step 5: Solve for x
    x = 105,128,995,883,213,328/313,920,086.20
  6. Step 6: Final answer
    x = 334,890,949.97

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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.