Home / 293,239,698,796.12-439,622,181,189.62-91,677,681,939.85

Finding the Fourth Proportional to 293,239,698,796.12, 439,622,181,189.62 and 91,677,681,939.85

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Solution

The fourth proportional to 293,239,698,796.12, 439,622,181,189.62 and 91,677,681,939.85 is: 137,442,313,118.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,239,698,796.12 : 439,622,181,189.62 = 91,677,681,939.85 : x
  2. Step 2: Convert to fraction form
    293,239,698,796.12/439,622,181,189.62 = 91,677,681,939.85/x
  3. Step 3: Cross multiply
    293,239,698,796.12x = 439,622,181,189.62 × 91,677,681,939.85
  4. Step 4: Simplify right side
    293,239,698,796.12x = 40,303,542,500,805,088,116,736
  5. Step 5: Solve for x
    x = 40,303,542,500,805,088,116,736/293,239,698,796.12
  6. Step 6: Final answer
    x = 137,442,313,118.82

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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.