Home / 415,593,416.72-573,519,586.96-229,962,256.40

Finding the Fourth Proportional to 415,593,416.72, 573,519,586.96 and 229,962,256.40

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Solution

The fourth proportional to 415,593,416.72, 573,519,586.96 and 229,962,256.40 is: 317,348,285.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,593,416.72 : 573,519,586.96 = 229,962,256.40 : x
  2. Step 2: Convert to fraction form
    415,593,416.72/573,519,586.96 = 229,962,256.40/x
  3. Step 3: Cross multiply
    415,593,416.72x = 573,519,586.96 × 229,962,256.40
  4. Step 4: Simplify right side
    415,593,416.72x = 131,887,858,306,917,632
  5. Step 5: Solve for x
    x = 131,887,858,306,917,632/415,593,416.72
  6. Step 6: Final answer
    x = 317,348,285.61

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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.