Home / 810,153,906.30-1,215,264,037.05-235,725,234.30

Finding the Fourth Proportional to 810,153,906.30, 1,215,264,037.05 and 235,725,234.30

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Solution

The fourth proportional to 810,153,906.30, 1,215,264,037.05 and 235,725,234.30 is: 353,597,504.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,153,906.30 : 1,215,264,037.05 = 235,725,234.30 : x
  2. Step 2: Convert to fraction form
    810,153,906.30/1,215,264,037.05 = 235,725,234.30/x
  3. Step 3: Cross multiply
    810,153,906.30x = 1,215,264,037.05 × 235,725,234.30
  4. Step 4: Simplify right side
    810,153,906.30x = 286,468,399,869,975,136
  5. Step 5: Solve for x
    x = 286,468,399,869,975,136/810,153,906.30
  6. Step 6: Final answer
    x = 353,597,504.92

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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.