Home / 5,280,765,192,007.80-7,921,147,788,012-4,222,848,976,712.20

Finding the Fourth Proportional to 5,280,765,192,007.80, 7,921,147,788,012 and 4,222,848,976,712.20

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Solution

The fourth proportional to 5,280,765,192,007.80, 7,921,147,788,012 and 4,222,848,976,712.20 is: 6,334,273,465,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,765,192,007.80 : 7,921,147,788,012 = 4,222,848,976,712.20 : x
  2. Step 2: Convert to fraction form
    5,280,765,192,007.80/7,921,147,788,012 = 4,222,848,976,712.20/x
  3. Step 3: Cross multiply
    5,280,765,192,007.80x = 7,921,147,788,012 × 4,222,848,976,712.20
  4. Step 4: Simplify right side
    5,280,765,192,007.80x = 33,449,810,830,992,583,759,495,168
  5. Step 5: Solve for x
    x = 33,449,810,830,992,583,759,495,168/5,280,765,192,007.80
  6. Step 6: Final answer
    x = 6,334,273,465,068.54

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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.