Home / 8,455,716,738.73-12,685,208,413.70-3,214,917,464.05

Finding the Fourth Proportional to 8,455,716,738.73, 12,685,208,413.70 and 3,214,917,464.05

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Solution

The fourth proportional to 8,455,716,738.73, 12,685,208,413.70 and 3,214,917,464.05 is: 4,822,997,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455,716,738.73 : 12,685,208,413.70 = 3,214,917,464.05 : x
  2. Step 2: Convert to fraction form
    8,455,716,738.73/12,685,208,413.70 = 3,214,917,464.05/x
  3. Step 3: Cross multiply
    8,455,716,738.73x = 12,685,208,413.70 × 3,214,917,464.05
  4. Step 4: Simplify right side
    8,455,716,738.73x = 40,781,898,064,318,128,128
  5. Step 5: Solve for x
    x = 40,781,898,064,318,128,128/8,455,716,738.73
  6. Step 6: Final answer
    x = 4,822,997,189.29

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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.