Home / 392,426,415,412.80-541,649,213,672.64-255,590,225,112

Finding the Fourth Proportional to 392,426,415,412.80, 541,649,213,672.64 and 255,590,225,112

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Solution

The fourth proportional to 392,426,415,412.80, 541,649,213,672.64 and 255,590,225,112 is: 352,780,136,649.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,426,415,412.80 : 541,649,213,672.64 = 255,590,225,112 : x
  2. Step 2: Convert to fraction form
    392,426,415,412.80/541,649,213,672.64 = 255,590,225,112/x
  3. Step 3: Cross multiply
    392,426,415,412.80x = 541,649,213,672.64 × 255,590,225,112
  4. Step 4: Simplify right side
    392,426,415,412.80x = 138,440,244,454,327,842,766,848
  5. Step 5: Solve for x
    x = 138,440,244,454,327,842,766,848/392,426,415,412.80
  6. Step 6: Final answer
    x = 352,780,136,649.82

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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.