Home / 205,009,811,415.37-307,402,614,040.86-162,785,941,940.11

Finding the Fourth Proportional to 205,009,811,415.37, 307,402,614,040.86 and 162,785,941,940.11

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Solution

The fourth proportional to 205,009,811,415.37, 307,402,614,040.86 and 162,785,941,940.11 is: 244,089,898,605.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,009,811,415.37 : 307,402,614,040.86 = 162,785,941,940.11 : x
  2. Step 2: Convert to fraction form
    205,009,811,415.37/307,402,614,040.86 = 162,785,941,940.11/x
  3. Step 3: Cross multiply
    205,009,811,415.37x = 307,402,614,040.86 × 162,785,941,940.11
  4. Step 4: Simplify right side
    205,009,811,415.37x = 50,040,824,081,493,476,245,504
  5. Step 5: Solve for x
    x = 50,040,824,081,493,476,245,504/205,009,811,415.37
  6. Step 6: Final answer
    x = 244,089,898,605.42

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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.