Home / 699,470,377.80-1,049,205,566.70-214,733,200.20

Finding the Fourth Proportional to 699,470,377.80, 1,049,205,566.70 and 214,733,200.20

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Solution

The fourth proportional to 699,470,377.80, 1,049,205,566.70 and 214,733,200.20 is: 322,099,800.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,470,377.80 : 1,049,205,566.70 = 214,733,200.20 : x
  2. Step 2: Convert to fraction form
    699,470,377.80/1,049,205,566.70 = 214,733,200.20/x
  3. Step 3: Cross multiply
    699,470,377.80x = 1,049,205,566.70 × 214,733,200.20
  4. Step 4: Simplify right side
    699,470,377.80x = 225,299,269,005,145,536
  5. Step 5: Solve for x
    x = 225,299,269,005,145,536/699,470,377.80
  6. Step 6: Final answer
    x = 322,099,800.30

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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.