Home / 897,228,710.90-1,347,228,749.55-489,082,022.90

Finding the Fourth Proportional to 897,228,710.90, 1,347,228,749.55 and 489,082,022.90

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Solution

The fourth proportional to 897,228,710.90, 1,347,228,749.55 and 489,082,022.90 is: 734,378,374.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,228,710.90 : 1,347,228,749.55 = 489,082,022.90 : x
  2. Step 2: Convert to fraction form
    897,228,710.90/1,347,228,749.55 = 489,082,022.90/x
  3. Step 3: Cross multiply
    897,228,710.90x = 1,347,228,749.55 × 489,082,022.90
  4. Step 4: Simplify right side
    897,228,710.90x = 658,905,362,138,951,424
  5. Step 5: Solve for x
    x = 658,905,362,138,951,424/897,228,710.90
  6. Step 6: Final answer
    x = 734,378,374.36

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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.