Home / 431,512,999,777.44-595,489,213,722.24-238,838,555,043.36

Finding the Fourth Proportional to 431,512,999,777.44, 595,489,213,722.24 and 238,838,555,043.36

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Solution

The fourth proportional to 431,512,999,777.44, 595,489,213,722.24 and 238,838,555,043.36 is: 329,597,911,123.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,512,999,777.44 : 595,489,213,722.24 = 238,838,555,043.36 : x
  2. Step 2: Convert to fraction form
    431,512,999,777.44/595,489,213,722.24 = 238,838,555,043.36/x
  3. Step 3: Cross multiply
    431,512,999,777.44x = 595,489,213,722.24 × 238,838,555,043.36
  4. Step 4: Simplify right side
    431,512,999,777.44x = 142,225,783,349,326,370,570,240
  5. Step 5: Solve for x
    x = 142,225,783,349,326,370,570,240/431,512,999,777.44
  6. Step 6: Final answer
    x = 329,597,911,123.61

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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.