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Finding the Fourth Proportional to 883,549,309.80, 1,325,323,964.70 and 747,500,413.80

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Solution

The fourth proportional to 883,549,309.80, 1,325,323,964.70 and 747,500,413.80 is: 1,121,250,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,549,309.80 : 1,325,323,964.70 = 747,500,413.80 : x
  2. Step 2: Convert to fraction form
    883,549,309.80/1,325,323,964.70 = 747,500,413.80/x
  3. Step 3: Cross multiply
    883,549,309.80x = 1,325,323,964.70 × 747,500,413.80
  4. Step 4: Simplify right side
    883,549,309.80x = 990,680,212,032,306,560
  5. Step 5: Solve for x
    x = 990,680,212,032,306,560/883,549,309.80
  6. Step 6: Final answer
    x = 1,121,250,620.70

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1.5x scale

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.