Home / 392,426,415,036.08-541,649,213,152.40-255,590,224,734.67

Finding the Fourth Proportional to 392,426,415,036.08, 541,649,213,152.40 and 255,590,224,734.67

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Solution

The fourth proportional to 392,426,415,036.08, 541,649,213,152.40 and 255,590,224,734.67 is: 352,780,136,128.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,426,415,036.08 : 541,649,213,152.40 = 255,590,224,734.67 : x
  2. Step 2: Convert to fraction form
    392,426,415,036.08/541,649,213,152.40 = 255,590,224,734.67/x
  3. Step 3: Cross multiply
    392,426,415,036.08x = 541,649,213,152.40 × 255,590,224,734.67
  4. Step 4: Simplify right side
    392,426,415,036.08x = 138,440,244,116,979,099,631,616
  5. Step 5: Solve for x
    x = 138,440,244,116,979,099,631,616/392,426,415,036.08
  6. Step 6: Final answer
    x = 352,780,136,128.84

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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.