Home / 55,498,587,340.68-76,586,068,917.39-31,412,091,812.49

Finding the Fourth Proportional to 55,498,587,340.68, 76,586,068,917.39 and 31,412,091,812.49

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Solution

The fourth proportional to 55,498,587,340.68, 76,586,068,917.39 and 31,412,091,812.49 is: 43,347,565,112.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,498,587,340.68 : 76,586,068,917.39 = 31,412,091,812.49 : x
  2. Step 2: Convert to fraction form
    55,498,587,340.68/76,586,068,917.39 = 31,412,091,812.49/x
  3. Step 3: Cross multiply
    55,498,587,340.68x = 76,586,068,917.39 × 31,412,091,812.49
  4. Step 4: Simplify right side
    55,498,587,340.68x = 2,405,728,628,390,434,963,456
  5. Step 5: Solve for x
    x = 2,405,728,628,390,434,963,456/55,498,587,340.68
  6. Step 6: Final answer
    x = 43,347,565,112.30

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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.