Home / 9,215,261,410.40-12,717,052,529.44-5,201,776,469.60

Finding the Fourth Proportional to 9,215,261,410.40, 12,717,052,529.44 and 5,201,776,469.60

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Solution

The fourth proportional to 9,215,261,410.40, 12,717,052,529.44 and 5,201,776,469.60 is: 7,178,446,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,215,261,410.40 : 12,717,052,529.44 = 5,201,776,469.60 : x
  2. Step 2: Convert to fraction form
    9,215,261,410.40/12,717,052,529.44 = 5,201,776,469.60/x
  3. Step 3: Cross multiply
    9,215,261,410.40x = 12,717,052,529.44 × 5,201,776,469.60
  4. Step 4: Simplify right side
    9,215,261,410.40x = 66,151,264,610,308,161,536
  5. Step 5: Solve for x
    x = 66,151,264,610,308,161,536/9,215,261,410.40
  6. Step 6: Final answer
    x = 7,178,446,889.81

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1.5x scale

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.