Home / 682,677,592.45-942,096,715.20-369,415,167.91

Finding the Fourth Proportional to 682,677,592.45, 942,096,715.20 and 369,415,167.91

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Solution

The fourth proportional to 682,677,592.45, 942,096,715.20 and 369,415,167.91 is: 509,793,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,677,592.45 : 942,096,715.20 = 369,415,167.91 : x
  2. Step 2: Convert to fraction form
    682,677,592.45/942,096,715.20 = 369,415,167.91/x
  3. Step 3: Cross multiply
    682,677,592.45x = 942,096,715.20 × 369,415,167.91
  4. Step 4: Simplify right side
    682,677,592.45x = 348,024,816,233,067,520
  5. Step 5: Solve for x
    x = 348,024,816,233,067,520/682,677,592.45
  6. Step 6: Final answer
    x = 509,793,817.88

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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.