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Finding the Fourth Proportional to 1,609,638,456.40, 2,414,457,684.60 and 1,609,638,456.40

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Solution

The fourth proportional to 1,609,638,456.40, 2,414,457,684.60 and 1,609,638,456.40 is: 2,414,457,684.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,638,456.40 : 2,414,457,684.60 = 1,609,638,456.40 : x
  2. Step 2: Convert to fraction form
    1,609,638,456.40/2,414,457,684.60 = 1,609,638,456.40/x
  3. Step 3: Cross multiply
    1,609,638,456.40x = 2,414,457,684.60 × 1,609,638,456.40
  4. Step 4: Simplify right side
    1,609,638,456.40x = 3,886,403,940,482,661,888
  5. Step 5: Solve for x
    x = 3,886,403,940,482,661,888/1,609,638,456.40
  6. Step 6: Final answer
    x = 2,414,457,684.60

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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.