Home / 605,412,887,284.08-835,076,121,437.34-388,295,181,116.64

Finding the Fourth Proportional to 605,412,887,284.08, 835,076,121,437.34 and 388,295,181,116.64

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Solution

The fourth proportional to 605,412,887,284.08, 835,076,121,437.34 and 388,295,181,116.64 is: 535,594,865,306.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,412,887,284.08 : 835,076,121,437.34 = 388,295,181,116.64 : x
  2. Step 2: Convert to fraction form
    605,412,887,284.08/835,076,121,437.34 = 388,295,181,116.64/x
  3. Step 3: Cross multiply
    605,412,887,284.08x = 835,076,121,437.34 × 388,295,181,116.64
  4. Step 4: Simplify right side
    605,412,887,284.08x = 324,256,033,819,693,164,789,760
  5. Step 5: Solve for x
    x = 324,256,033,819,693,164,789,760/605,412,887,284.08
  6. Step 6: Final answer
    x = 535,594,865,306.43

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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.