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Finding the Fourth Proportional to 1,638,841,501.95, 2,458,262,252.93 and 1,638,841,501.95

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Solution

The fourth proportional to 1,638,841,501.95, 2,458,262,252.93 and 1,638,841,501.95 is: 2,458,262,252.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,841,501.95 : 2,458,262,252.93 = 1,638,841,501.95 : x
  2. Step 2: Convert to fraction form
    1,638,841,501.95/2,458,262,252.93 = 1,638,841,501.95/x
  3. Step 3: Cross multiply
    1,638,841,501.95x = 2,458,262,252.93 × 1,638,841,501.95
  4. Step 4: Simplify right side
    1,638,841,501.95x = 4,028,702,202,770,598,400
  5. Step 5: Solve for x
    x = 4,028,702,202,770,598,400/1,638,841,501.95
  6. Step 6: Final answer
    x = 2,458,262,252.93

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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.