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Finding the Fourth Proportional to 3,815,429,657.60, 5,723,144,486.40 and 3,815,429,657.60

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Solution

The fourth proportional to 3,815,429,657.60, 5,723,144,486.40 and 3,815,429,657.60 is: 5,723,144,486.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815,429,657.60 : 5,723,144,486.40 = 3,815,429,657.60 : x
  2. Step 2: Convert to fraction form
    3,815,429,657.60/5,723,144,486.40 = 3,815,429,657.60/x
  3. Step 3: Cross multiply
    3,815,429,657.60x = 5,723,144,486.40 × 3,815,429,657.60
  4. Step 4: Simplify right side
    3,815,429,657.60x = 21,836,255,208,140,476,416
  5. Step 5: Solve for x
    x = 21,836,255,208,140,476,416/3,815,429,657.60
  6. Step 6: Final answer
    x = 5,723,144,486.40

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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.