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Finding the Fourth Proportional to 2,991,816,246.60, 4,195,430,220.60 and 2,991,816,246.60

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Solution

The fourth proportional to 2,991,816,246.60, 4,195,430,220.60 and 2,991,816,246.60 is: 4,195,430,220.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,991,816,246.60 : 4,195,430,220.60 = 2,991,816,246.60 : x
  2. Step 2: Convert to fraction form
    2,991,816,246.60/4,195,430,220.60 = 2,991,816,246.60/x
  3. Step 3: Cross multiply
    2,991,816,246.60x = 4,195,430,220.60 × 2,991,816,246.60
  4. Step 4: Simplify right side
    2,991,816,246.60x = 12,551,956,295,467,702,272
  5. Step 5: Solve for x
    x = 12,551,956,295,467,702,272/2,991,816,246.60
  6. Step 6: Final answer
    x = 4,195,430,220.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.