Home / 21,275,142,755.20-31,912,714,132.80-5,765,568,611.20

Finding the Fourth Proportional to 21,275,142,755.20, 31,912,714,132.80 and 5,765,568,611.20

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Solution

The fourth proportional to 21,275,142,755.20, 31,912,714,132.80 and 5,765,568,611.20 is: 8,648,352,916.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,275,142,755.20 : 31,912,714,132.80 = 5,765,568,611.20 : x
  2. Step 2: Convert to fraction form
    21,275,142,755.20/31,912,714,132.80 = 5,765,568,611.20/x
  3. Step 3: Cross multiply
    21,275,142,755.20x = 31,912,714,132.80 × 5,765,568,611.20
  4. Step 4: Simplify right side
    21,275,142,755.20x = 183,994,942,902,270,296,064
  5. Step 5: Solve for x
    x = 183,994,942,902,270,296,064/21,275,142,755.20
  6. Step 6: Final answer
    x = 8,648,352,916.80

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Double scale
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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.