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Finding the Fourth Proportional to 1,112,324,978.55, 1,667,549,100.75 and 915,598,100.52

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Solution

The fourth proportional to 1,112,324,978.55, 1,667,549,100.75 and 915,598,100.52 is: 1,372,624,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,324,978.55 : 1,667,549,100.75 = 915,598,100.52 : x
  2. Step 2: Convert to fraction form
    1,112,324,978.55/1,667,549,100.75 = 915,598,100.52/x
  3. Step 3: Cross multiply
    1,112,324,978.55x = 1,667,549,100.75 × 915,598,100.52
  4. Step 4: Simplify right side
    1,112,324,978.55x = 1,526,804,789,170,534,144
  5. Step 5: Solve for x
    x = 1,526,804,789,170,534,144/1,112,324,978.55
  6. Step 6: Final answer
    x = 1,372,624,744.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.