Home / 392,426,415,137.64-541,649,213,292.83-255,590,224,836.52

Finding the Fourth Proportional to 392,426,415,137.64, 541,649,213,292.83 and 255,590,224,836.52

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Solution

The fourth proportional to 392,426,415,137.64, 541,649,213,292.83 and 255,590,224,836.52 is: 352,780,136,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,426,415,137.64 : 541,649,213,292.83 = 255,590,224,836.52 : x
  2. Step 2: Convert to fraction form
    392,426,415,137.64/541,649,213,292.83 = 255,590,224,836.52/x
  3. Step 3: Cross multiply
    392,426,415,137.64x = 541,649,213,292.83 × 255,590,224,836.52
  4. Step 4: Simplify right side
    392,426,415,137.64x = 138,440,244,208,038,597,099,520
  5. Step 5: Solve for x
    x = 138,440,244,208,038,597,099,520/392,426,415,137.64
  6. Step 6: Final answer
    x = 352,780,136,269.58

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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.