Home / 352,064,273.80-528,096,410.70-256,512,785.80

Finding the Fourth Proportional to 352,064,273.80, 528,096,410.70 and 256,512,785.80

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Solution

The fourth proportional to 352,064,273.80, 528,096,410.70 and 256,512,785.80 is: 384,769,178.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,064,273.80 : 528,096,410.70 = 256,512,785.80 : x
  2. Step 2: Convert to fraction form
    352,064,273.80/528,096,410.70 = 256,512,785.80/x
  3. Step 3: Cross multiply
    352,064,273.80x = 528,096,410.70 × 256,512,785.80
  4. Step 4: Simplify right side
    352,064,273.80x = 135,463,481,479,637,936
  5. Step 5: Solve for x
    x = 135,463,481,479,637,936/352,064,273.80
  6. Step 6: Final answer
    x = 384,769,178.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.