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Finding the Fourth Proportional to 773,778,095,999.90, 1,160,667,143,999.90 and 773,778,095,999.90

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Solution

The fourth proportional to 773,778,095,999.90, 1,160,667,143,999.90 and 773,778,095,999.90 is: 1,160,667,143,999.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,778,095,999.90 : 1,160,667,143,999.90 = 773,778,095,999.90 : x
  2. Step 2: Convert to fraction form
    773,778,095,999.90/1,160,667,143,999.90 = 773,778,095,999.90/x
  3. Step 3: Cross multiply
    773,778,095,999.90x = 1,160,667,143,999.90 × 773,778,095,999.90
  4. Step 4: Simplify right side
    773,778,095,999.90x = 898,098,812,773,884,267,331,584
  5. Step 5: Solve for x
    x = 898,098,812,773,884,267,331,584/773,778,095,999.90
  6. Step 6: Final answer
    x = 1,160,667,143,999.90

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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.