Home / 392,426,415,127.92-541,649,213,279.40-255,590,224,826.80

Finding the Fourth Proportional to 392,426,415,127.92, 541,649,213,279.40 and 255,590,224,826.80

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Solution

The fourth proportional to 392,426,415,127.92, 541,649,213,279.40 and 255,590,224,826.80 is: 352,780,136,256.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,426,415,127.92 : 541,649,213,279.40 = 255,590,224,826.80 : x
  2. Step 2: Convert to fraction form
    392,426,415,127.92/541,649,213,279.40 = 255,590,224,826.80/x
  3. Step 3: Cross multiply
    392,426,415,127.92x = 541,649,213,279.40 × 255,590,224,826.80
  4. Step 4: Simplify right side
    392,426,415,127.92x = 138,440,244,199,341,187,661,824
  5. Step 5: Solve for x
    x = 138,440,244,199,341,187,661,824/392,426,415,127.92
  6. Step 6: Final answer
    x = 352,780,136,256.15

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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.