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Finding the Fourth Proportional to 5,318,784,294.90, 7,458,542,413.50 and 5,318,784,294.90

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Solution

The fourth proportional to 5,318,784,294.90, 7,458,542,413.50 and 5,318,784,294.90 is: 7,458,542,413.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,784,294.90 : 7,458,542,413.50 = 5,318,784,294.90 : x
  2. Step 2: Convert to fraction form
    5,318,784,294.90/7,458,542,413.50 = 5,318,784,294.90/x
  3. Step 3: Cross multiply
    5,318,784,294.90x = 7,458,542,413.50 × 5,318,784,294.90
  4. Step 4: Simplify right side
    5,318,784,294.90x = 39,670,378,251,769,339,904
  5. Step 5: Solve for x
    x = 39,670,378,251,769,339,904/5,318,784,294.90
  6. Step 6: Final answer
    x = 7,458,542,413.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.