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Finding the Fourth Proportional to 2,606,195,125.95, 3,909,292,688.93 and 2,606,195,125.95

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Solution

The fourth proportional to 2,606,195,125.95, 3,909,292,688.93 and 2,606,195,125.95 is: 3,909,292,688.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,606,195,125.95 : 3,909,292,688.93 = 2,606,195,125.95 : x
  2. Step 2: Convert to fraction form
    2,606,195,125.95/3,909,292,688.93 = 2,606,195,125.95/x
  3. Step 3: Cross multiply
    2,606,195,125.95x = 3,909,292,688.93 × 2,606,195,125.95
  4. Step 4: Simplify right side
    2,606,195,125.95x = 10,188,379,551,788,304,384
  5. Step 5: Solve for x
    x = 10,188,379,551,788,304,384/2,606,195,125.95
  6. Step 6: Final answer
    x = 3,909,292,688.93

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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.