Home / 15,630,678,981.54-23,450,618,990.79-5,681,965,877.28

Finding the Fourth Proportional to 15,630,678,981.54, 23,450,618,990.79 and 5,681,965,877.28

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Solution

The fourth proportional to 15,630,678,981.54, 23,450,618,990.79 and 5,681,965,877.28 is: 8,524,621,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630,678,981.54 : 23,450,618,990.79 = 5,681,965,877.28 : x
  2. Step 2: Convert to fraction form
    15,630,678,981.54/23,450,618,990.79 = 5,681,965,877.28/x
  3. Step 3: Cross multiply
    15,630,678,981.54x = 23,450,618,990.79 × 5,681,965,877.28
  4. Step 4: Simplify right side
    15,630,678,981.54x = 133,245,616,906,763,124,736
  5. Step 5: Solve for x
    x = 133,245,616,906,763,124,736/15,630,678,981.54
  6. Step 6: Final answer
    x = 8,524,621,167.39

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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.