Home / 28,946,715,651.70-39,947,437,591.77-16,086,897,536.49

Finding the Fourth Proportional to 28,946,715,651.70, 39,947,437,591.77 and 16,086,897,536.49

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Solution

The fourth proportional to 28,946,715,651.70, 39,947,437,591.77 and 16,086,897,536.49 is: 22,200,457,665.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946,715,651.70 : 39,947,437,591.77 = 16,086,897,536.49 : x
  2. Step 2: Convert to fraction form
    28,946,715,651.70/39,947,437,591.77 = 16,086,897,536.49/x
  3. Step 3: Cross multiply
    28,946,715,651.70x = 39,947,437,591.77 × 16,086,897,536.49
  4. Step 4: Simplify right side
    28,946,715,651.70x = 642,630,335,384,197,267,456
  5. Step 5: Solve for x
    x = 642,630,335,384,197,267,456/28,946,715,651.70
  6. Step 6: Final answer
    x = 22,200,457,665.62

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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.