Home / 5,247,015,647.31-7,870,523,471.51-1,753,421,120.61

Finding the Fourth Proportional to 5,247,015,647.31, 7,870,523,471.51 and 1,753,421,120.61

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Solution

The fourth proportional to 5,247,015,647.31, 7,870,523,471.51 and 1,753,421,120.61 is: 2,630,131,681.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,247,015,647.31 : 7,870,523,471.51 = 1,753,421,120.61 : x
  2. Step 2: Convert to fraction form
    5,247,015,647.31/7,870,523,471.51 = 1,753,421,120.61/x
  3. Step 3: Cross multiply
    5,247,015,647.31x = 7,870,523,471.51 × 1,753,421,120.61
  4. Step 4: Simplify right side
    5,247,015,647.31x = 13,800,342,085,193,603,072
  5. Step 5: Solve for x
    x = 13,800,342,085,193,603,072/5,247,015,647.31
  6. Step 6: Final answer
    x = 2,630,131,681.10

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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.