Home / 7,485,035,003.82-10,329,429,934.44-4,143,589,087.50

Finding the Fourth Proportional to 7,485,035,003.82, 10,329,429,934.44 and 4,143,589,087.50

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Solution

The fourth proportional to 7,485,035,003.82, 10,329,429,934.44 and 4,143,589,087.50 is: 5,718,198,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,035,003.82 : 10,329,429,934.44 = 4,143,589,087.50 : x
  2. Step 2: Convert to fraction form
    7,485,035,003.82/10,329,429,934.44 = 4,143,589,087.50/x
  3. Step 3: Cross multiply
    7,485,035,003.82x = 10,329,429,934.44 × 4,143,589,087.50
  4. Step 4: Simplify right side
    7,485,035,003.82x = 42,800,913,156,441,423,872
  5. Step 5: Solve for x
    x = 42,800,913,156,441,423,872/7,485,035,003.82
  6. Step 6: Final answer
    x = 5,718,198,129.28

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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.