Home / 392,426,415,126.54-541,649,213,277.50-255,590,224,825.42

Finding the Fourth Proportional to 392,426,415,126.54, 541,649,213,277.50 and 255,590,224,825.42

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Solution

The fourth proportional to 392,426,415,126.54, 541,649,213,277.50 and 255,590,224,825.42 is: 352,780,136,254.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,426,415,126.54 : 541,649,213,277.50 = 255,590,224,825.42 : x
  2. Step 2: Convert to fraction form
    392,426,415,126.54/541,649,213,277.50 = 255,590,224,825.42/x
  3. Step 3: Cross multiply
    392,426,415,126.54x = 541,649,213,277.50 × 255,590,224,825.42
  4. Step 4: Simplify right side
    392,426,415,126.54x = 138,440,244,198,108,095,840,256
  5. Step 5: Solve for x
    x = 138,440,244,198,108,095,840,256/392,426,415,126.54
  6. Step 6: Final answer
    x = 352,780,136,254.25

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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.