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Finding the Fourth Proportional to 897,006,413.20, 1,345,509,619.80 and 897,006,413.20

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Solution

The fourth proportional to 897,006,413.20, 1,345,509,619.80 and 897,006,413.20 is: 1,345,509,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,006,413.20 : 1,345,509,619.80 = 897,006,413.20 : x
  2. Step 2: Convert to fraction form
    897,006,413.20/1,345,509,619.80 = 897,006,413.20/x
  3. Step 3: Cross multiply
    897,006,413.20x = 1,345,509,619.80 × 897,006,413.20
  4. Step 4: Simplify right side
    897,006,413.20x = 1,206,930,757,982,893,824
  5. Step 5: Solve for x
    x = 1,206,930,757,982,893,824/897,006,413.20
  6. Step 6: Final answer
    x = 1,345,509,619.80

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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.