Home / 360,100,221.39-496,938,809.79-195,087,790.89

Finding the Fourth Proportional to 360,100,221.39, 496,938,809.79 and 195,087,790.89

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Solution

The fourth proportional to 360,100,221.39, 496,938,809.79 and 195,087,790.89 is: 269,221,424.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,100,221.39 : 496,938,809.79 = 195,087,790.89 : x
  2. Step 2: Convert to fraction form
    360,100,221.39/496,938,809.79 = 195,087,790.89/x
  3. Step 3: Cross multiply
    360,100,221.39x = 496,938,809.79 × 195,087,790.89
  4. Step 4: Simplify right side
    360,100,221.39x = 96,946,694,609,437,008
  5. Step 5: Solve for x
    x = 96,946,694,609,437,008/360,100,221.39
  6. Step 6: Final answer
    x = 269,221,424.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.