Home / 13,051,930,998.78-19,563,957,716.55-7,443,792,399

Finding the Fourth Proportional to 13,051,930,998.78, 19,563,957,716.55 and 7,443,792,399

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Solution

The fourth proportional to 13,051,930,998.78, 19,563,957,716.55 and 7,443,792,399 is: 11,157,739,016.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,051,930,998.78 : 19,563,957,716.55 = 7,443,792,399 : x
  2. Step 2: Convert to fraction form
    13,051,930,998.78/19,563,957,716.55 = 7,443,792,399/x
  3. Step 3: Cross multiply
    13,051,930,998.78x = 19,563,957,716.55 × 7,443,792,399
  4. Step 4: Simplify right side
    13,051,930,998.78x = 145,630,039,744,812,285,952
  5. Step 5: Solve for x
    x = 145,630,039,744,812,285,952/13,051,930,998.78
  6. Step 6: Final answer
    x = 11,157,739,016.43

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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.