Home / 400,455,814.20-600,683,721.30-141,962,911.80

Finding the Fourth Proportional to 400,455,814.20, 600,683,721.30 and 141,962,911.80

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Solution

The fourth proportional to 400,455,814.20, 600,683,721.30 and 141,962,911.80 is: 212,944,367.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,455,814.20 : 600,683,721.30 = 141,962,911.80 : x
  2. Step 2: Convert to fraction form
    400,455,814.20/600,683,721.30 = 141,962,911.80/x
  3. Step 3: Cross multiply
    400,455,814.20x = 600,683,721.30 × 141,962,911.80
  4. Step 4: Simplify right side
    400,455,814.20x = 85,274,810,146,607,680
  5. Step 5: Solve for x
    x = 85,274,810,146,607,680/400,455,814.20
  6. Step 6: Final answer
    x = 212,944,367.70

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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.