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Finding the Fourth Proportional to 652,546,173.30, 978,809,675.42 and 161,259,432.34

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Solution

The fourth proportional to 652,546,173.30, 978,809,675.42 and 161,259,432.34 is: 241,886,779.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,546,173.30 : 978,809,675.42 = 161,259,432.34 : x
  2. Step 2: Convert to fraction form
    652,546,173.30/978,809,675.42 = 161,259,432.34/x
  3. Step 3: Cross multiply
    652,546,173.30x = 978,809,675.42 × 161,259,432.34
  4. Step 4: Simplify right side
    652,546,173.30x = 157,842,292,626,009,088
  5. Step 5: Solve for x
    x = 157,842,292,626,009,088/652,546,173.30
  6. Step 6: Final answer
    x = 241,886,779.95

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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.