Home / 394,736,672.48-544,715,027.05-216,086,000.63

Finding the Fourth Proportional to 394,736,672.48, 544,715,027.05 and 216,086,000.63

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Solution

The fourth proportional to 394,736,672.48, 544,715,027.05 and 216,086,000.63 is: 298,186,867.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,736,672.48 : 544,715,027.05 = 216,086,000.63 : x
  2. Step 2: Convert to fraction form
    394,736,672.48/544,715,027.05 = 216,086,000.63/x
  3. Step 3: Cross multiply
    394,736,672.48x = 544,715,027.05 × 216,086,000.63
  4. Step 4: Simplify right side
    394,736,672.48x = 117,705,291,676,195,152
  5. Step 5: Solve for x
    x = 117,705,291,676,195,152/394,736,672.48
  6. Step 6: Final answer
    x = 298,186,867.05

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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.