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Finding the Fourth Proportional to 19,296,594,051.20, 28,883,669,073.60 and 19,296,594,051.20

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Solution

The fourth proportional to 19,296,594,051.20, 28,883,669,073.60 and 19,296,594,051.20 is: 28,883,669,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296,594,051.20 : 28,883,669,073.60 = 19,296,594,051.20 : x
  2. Step 2: Convert to fraction form
    19,296,594,051.20/28,883,669,073.60 = 19,296,594,051.20/x
  3. Step 3: Cross multiply
    19,296,594,051.20x = 28,883,669,073.60 × 19,296,594,051.20
  4. Step 4: Simplify right side
    19,296,594,051.20x = 557,356,436,822,459,154,432
  5. Step 5: Solve for x
    x = 557,356,436,822,459,154,432/19,296,594,051.20
  6. Step 6: Final answer
    x = 28,883,669,073.60

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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.