Home / 399,523,569-599,271,845.70-140,732,025.66

Finding the Fourth Proportional to 399,523,569, 599,271,845.70 and 140,732,025.66

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Solution

The fourth proportional to 399,523,569, 599,271,845.70 and 140,732,025.66 is: 211,093,280.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,523,569 : 599,271,845.70 = 140,732,025.66 : x
  2. Step 2: Convert to fraction form
    399,523,569/599,271,845.70 = 140,732,025.66/x
  3. Step 3: Cross multiply
    399,523,569x = 599,271,845.70 × 140,732,025.66
  4. Step 4: Simplify right side
    399,523,569x = 84,336,740,766,367,968
  5. Step 5: Solve for x
    x = 84,336,740,766,367,968/399,523,569
  6. Step 6: Final answer
    x = 211,093,280.37

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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.