Home / 13,051,931,014.36-19,563,957,739.82-7,443,792,414.56

Finding the Fourth Proportional to 13,051,931,014.36, 19,563,957,739.82 and 7,443,792,414.56

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Solution

The fourth proportional to 13,051,931,014.36, 19,563,957,739.82 and 7,443,792,414.56 is: 11,157,739,039.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,931,014.36 : 19,563,957,739.82 = 7,443,792,414.56 : x
  2. Step 2: Convert to fraction form
    13,051,931,014.36/19,563,957,739.82 = 7,443,792,414.56/x
  3. Step 3: Cross multiply
    13,051,931,014.36x = 19,563,957,739.82 × 7,443,792,414.56
  4. Step 4: Simplify right side
    13,051,931,014.36x = 145,630,040,222,444,519,424
  5. Step 5: Solve for x
    x = 145,630,040,222,444,519,424/13,051,931,014.36
  6. Step 6: Final answer
    x = 11,157,739,039.70

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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.