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Finding the Fourth Proportional to 220,765,500.10, 330,430,804.80 and 220,765,500.10

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Solution

The fourth proportional to 220,765,500.10, 330,430,804.80 and 220,765,500.10 is: 330,430,804.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,765,500.10 : 330,430,804.80 = 220,765,500.10 : x
  2. Step 2: Convert to fraction form
    220,765,500.10/330,430,804.80 = 220,765,500.10/x
  3. Step 3: Cross multiply
    220,765,500.10x = 330,430,804.80 × 220,765,500.10
  4. Step 4: Simplify right side
    220,765,500.10x = 72,947,721,870,117,488
  5. Step 5: Solve for x
    x = 72,947,721,870,117,488/220,765,500.10
  6. Step 6: Final answer
    x = 330,430,804.80

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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.