Home / 9,615,992,772.48-13,282,517,995.52-7,951,963,608.96

Finding the Fourth Proportional to 9,615,992,772.48, 13,282,517,995.52 and 7,951,963,608.96

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Solution

The fourth proportional to 9,615,992,772.48, 13,282,517,995.52 and 7,951,963,608.96 is: 10,984,003,652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,615,992,772.48 : 13,282,517,995.52 = 7,951,963,608.96 : x
  2. Step 2: Convert to fraction form
    9,615,992,772.48/13,282,517,995.52 = 7,951,963,608.96/x
  3. Step 3: Cross multiply
    9,615,992,772.48x = 13,282,517,995.52 × 7,951,963,608.96
  4. Step 4: Simplify right side
    9,615,992,772.48x = 105,622,099,735,731,372,032
  5. Step 5: Solve for x
    x = 105,622,099,735,731,372,032/9,615,992,772.48
  6. Step 6: Final answer
    x = 10,984,003,652.54

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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.