Home / 816,218,252.30-1,224,201,173.94-298,527,630.86

Finding the Fourth Proportional to 816,218,252.30, 1,224,201,173.94 and 298,527,630.86

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Solution

The fourth proportional to 816,218,252.30, 1,224,201,173.94 and 298,527,630.86 is: 447,745,287.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,218,252.30 : 1,224,201,173.94 = 298,527,630.86 : x
  2. Step 2: Convert to fraction form
    816,218,252.30/1,224,201,173.94 = 298,527,630.86/x
  3. Step 3: Cross multiply
    816,218,252.30x = 1,224,201,173.94 × 298,527,630.86
  4. Step 4: Simplify right side
    816,218,252.30x = 365,457,876,144,725,312
  5. Step 5: Solve for x
    x = 365,457,876,144,725,312/816,218,252.30
  6. Step 6: Final answer
    x = 447,745,287.63

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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.