Home / 199,586,215.80-299,379,323.70-196,898,830.20

Finding the Fourth Proportional to 199,586,215.80, 299,379,323.70 and 196,898,830.20

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Solution

The fourth proportional to 199,586,215.80, 299,379,323.70 and 196,898,830.20 is: 295,348,245.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,586,215.80 : 299,379,323.70 = 196,898,830.20 : x
  2. Step 2: Convert to fraction form
    199,586,215.80/299,379,323.70 = 196,898,830.20/x
  3. Step 3: Cross multiply
    199,586,215.80x = 299,379,323.70 × 196,898,830.20
  4. Step 4: Simplify right side
    199,586,215.80x = 58,947,438,622,597,128
  5. Step 5: Solve for x
    x = 58,947,438,622,597,128/199,586,215.80
  6. Step 6: Final answer
    x = 295,348,245.30

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1.5x scale

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.