Home / 20,412,058,456.80-30,593,901,214.80-8,621,154,136.80

Finding the Fourth Proportional to 20,412,058,456.80, 30,593,901,214.80 and 8,621,154,136.80

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Solution

The fourth proportional to 20,412,058,456.80, 30,593,901,214.80 and 8,621,154,136.80 is: 12,921,515,905.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,412,058,456.80 : 30,593,901,214.80 = 8,621,154,136.80 : x
  2. Step 2: Convert to fraction form
    20,412,058,456.80/30,593,901,214.80 = 8,621,154,136.80/x
  3. Step 3: Cross multiply
    20,412,058,456.80x = 30,593,901,214.80 × 8,621,154,136.80
  4. Step 4: Simplify right side
    20,412,058,456.80x = 263,754,738,018,823,536,640
  5. Step 5: Solve for x
    x = 263,754,738,018,823,536,640/20,412,058,456.80
  6. Step 6: Final answer
    x = 12,921,515,905.76

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1.5x scale

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.