Home / 7,220,608,857.54-10,819,867,416.48-3,859,657,921.98

Finding the Fourth Proportional to 7,220,608,857.54, 10,819,867,416.48 and 3,859,657,921.98

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Solution

The fourth proportional to 7,220,608,857.54, 10,819,867,416.48 and 3,859,657,921.98 is: 5,783,582,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,220,608,857.54 : 10,819,867,416.48 = 3,859,657,921.98 : x
  2. Step 2: Convert to fraction form
    7,220,608,857.54/10,819,867,416.48 = 3,859,657,921.98/x
  3. Step 3: Cross multiply
    7,220,608,857.54x = 10,819,867,416.48 × 3,859,657,921.98
  4. Step 4: Simplify right side
    7,220,608,857.54x = 41,760,986,988,790,308,864
  5. Step 5: Solve for x
    x = 41,760,986,988,790,308,864/7,220,608,857.54
  6. Step 6: Final answer
    x = 5,783,582,494.60

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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.