Home / 18,809,387,679.72-25,956,959,234.91-10,351,211,456.98

Finding the Fourth Proportional to 18,809,387,679.72, 25,956,959,234.91 and 10,351,211,456.98

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Solution

The fourth proportional to 18,809,387,679.72, 25,956,959,234.91 and 10,351,211,456.98 is: 14,284,674,142.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,809,387,679.72 : 25,956,959,234.91 = 10,351,211,456.98 : x
  2. Step 2: Convert to fraction form
    18,809,387,679.72/25,956,959,234.91 = 10,351,211,456.98/x
  3. Step 3: Cross multiply
    18,809,387,679.72x = 25,956,959,234.91 × 10,351,211,456.98
  4. Step 4: Simplify right side
    18,809,387,679.72x = 268,685,973,820,763,209,728
  5. Step 5: Solve for x
    x = 268,685,973,820,763,209,728/18,809,387,679.72
  6. Step 6: Final answer
    x = 14,284,674,142.29

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1.5x scale

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.