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Finding the Fourth Proportional to 336,993,951.60, 505,490,927.40 and 191,371,244.40

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Solution

The fourth proportional to 336,993,951.60, 505,490,927.40 and 191,371,244.40 is: 287,056,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,993,951.60 : 505,490,927.40 = 191,371,244.40 : x
  2. Step 2: Convert to fraction form
    336,993,951.60/505,490,927.40 = 191,371,244.40/x
  3. Step 3: Cross multiply
    336,993,951.60x = 505,490,927.40 × 191,371,244.40
  4. Step 4: Simplify right side
    336,993,951.60x = 96,736,427,809,448,048
  5. Step 5: Solve for x
    x = 96,736,427,809,448,048/336,993,951.60
  6. Step 6: Final answer
    x = 287,056,866.60

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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.