Home / 8,190,364,298.73-11,310,508,856.36-7,744,158,474.45

Finding the Fourth Proportional to 8,190,364,298.73, 11,310,508,856.36 and 7,744,158,474.45

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Solution

The fourth proportional to 8,190,364,298.73, 11,310,508,856.36 and 7,744,158,474.45 is: 10,694,319,546.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,190,364,298.73 : 11,310,508,856.36 = 7,744,158,474.45 : x
  2. Step 2: Convert to fraction form
    8,190,364,298.73/11,310,508,856.36 = 7,744,158,474.45/x
  3. Step 3: Cross multiply
    8,190,364,298.73x = 11,310,508,856.36 × 7,744,158,474.45
  4. Step 4: Simplify right side
    8,190,364,298.73x = 87,590,373,010,265,522,176
  5. Step 5: Solve for x
    x = 87,590,373,010,265,522,176/8,190,364,298.73
  6. Step 6: Final answer
    x = 10,694,319,546.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.