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Finding the Fourth Proportional to 497,663,999.60, 746,495,999.40 and 225,043,660.40

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Solution

The fourth proportional to 497,663,999.60, 746,495,999.40 and 225,043,660.40 is: 337,565,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,663,999.60 : 746,495,999.40 = 225,043,660.40 : x
  2. Step 2: Convert to fraction form
    497,663,999.60/746,495,999.40 = 225,043,660.40/x
  3. Step 3: Cross multiply
    497,663,999.60x = 746,495,999.40 × 225,043,660.40
  4. Step 4: Simplify right side
    497,663,999.60x = 167,994,192,178,932,192
  5. Step 5: Solve for x
    x = 167,994,192,178,932,192/497,663,999.60
  6. Step 6: Final answer
    x = 337,565,490.60

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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.