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Finding the Fourth Proportional to 220,030,657.70, 330,045,986.55 and 220,030,657.70

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Solution

The fourth proportional to 220,030,657.70, 330,045,986.55 and 220,030,657.70 is: 330,045,986.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,030,657.70 : 330,045,986.55 = 220,030,657.70 : x
  2. Step 2: Convert to fraction form
    220,030,657.70/330,045,986.55 = 220,030,657.70/x
  3. Step 3: Cross multiply
    220,030,657.70x = 330,045,986.55 × 220,030,657.70
  4. Step 4: Simplify right side
    220,030,657.70x = 72,620,235,491,841,856
  5. Step 5: Solve for x
    x = 72,620,235,491,841,856/220,030,657.70
  6. Step 6: Final answer
    x = 330,045,986.55

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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.