Home / 1,019,918,793.11-1,530,190,413.86-522,281,653.52

Finding the Fourth Proportional to 1,019,918,793.11, 1,530,190,413.86 and 522,281,653.52

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Solution

The fourth proportional to 1,019,918,793.11, 1,530,190,413.86 and 522,281,653.52 is: 783,582,364.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,918,793.11 : 1,530,190,413.86 = 522,281,653.52 : x
  2. Step 2: Convert to fraction form
    1,019,918,793.11/1,530,190,413.86 = 522,281,653.52/x
  3. Step 3: Cross multiply
    1,019,918,793.11x = 1,530,190,413.86 × 522,281,653.52
  4. Step 4: Simplify right side
    1,019,918,793.11x = 799,190,379,540,991,616
  5. Step 5: Solve for x
    x = 799,190,379,540,991,616/1,019,918,793.11
  6. Step 6: Final answer
    x = 783,582,364.54

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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.