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Finding the Fourth Proportional to 8,735,949,409.20, 13,103,924,113.80 and 8,735,949,409.20

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Solution

The fourth proportional to 8,735,949,409.20, 13,103,924,113.80 and 8,735,949,409.20 is: 13,103,924,113.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735,949,409.20 : 13,103,924,113.80 = 8,735,949,409.20 : x
  2. Step 2: Convert to fraction form
    8,735,949,409.20/13,103,924,113.80 = 8,735,949,409.20/x
  3. Step 3: Cross multiply
    8,735,949,409.20x = 13,103,924,113.80 × 8,735,949,409.20
  4. Step 4: Simplify right side
    8,735,949,409.20x = 114,475,218,120,152,743,936
  5. Step 5: Solve for x
    x = 114,475,218,120,152,743,936/8,735,949,409.20
  6. Step 6: Final answer
    x = 13,103,924,113.80

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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.