Home / 11,757,312,005.20-17,635,968,007.80-5,214,210,413.20

Finding the Fourth Proportional to 11,757,312,005.20, 17,635,968,007.80 and 5,214,210,413.20

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Solution

The fourth proportional to 11,757,312,005.20, 17,635,968,007.80 and 5,214,210,413.20 is: 7,821,315,619.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,757,312,005.20 : 17,635,968,007.80 = 5,214,210,413.20 : x
  2. Step 2: Convert to fraction form
    11,757,312,005.20/17,635,968,007.80 = 5,214,210,413.20/x
  3. Step 3: Cross multiply
    11,757,312,005.20x = 17,635,968,007.80 × 5,214,210,413.20
  4. Step 4: Simplify right side
    11,757,312,005.20x = 91,957,648,033,132,806,144
  5. Step 5: Solve for x
    x = 91,957,648,033,132,806,144/11,757,312,005.20
  6. Step 6: Final answer
    x = 7,821,315,619.80

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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.