Home / 465,049,087.20-697,573,630.80-206,768,761.20

Finding the Fourth Proportional to 465,049,087.20, 697,573,630.80 and 206,768,761.20

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Solution

The fourth proportional to 465,049,087.20, 697,573,630.80 and 206,768,761.20 is: 310,153,141.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,049,087.20 : 697,573,630.80 = 206,768,761.20 : x
  2. Step 2: Convert to fraction form
    465,049,087.20/697,573,630.80 = 206,768,761.20/x
  3. Step 3: Cross multiply
    465,049,087.20x = 697,573,630.80 × 206,768,761.20
  4. Step 4: Simplify right side
    465,049,087.20x = 144,236,435,486,302,144
  5. Step 5: Solve for x
    x = 144,236,435,486,302,144/465,049,087.20
  6. Step 6: Final answer
    x = 310,153,141.80

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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.