Home / 19,399,642,002.10-29,099,463,003.15-8,370,611,499.70

Finding the Fourth Proportional to 19,399,642,002.10, 29,099,463,003.15 and 8,370,611,499.70

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Solution

The fourth proportional to 19,399,642,002.10, 29,099,463,003.15 and 8,370,611,499.70 is: 12,555,917,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,399,642,002.10 : 29,099,463,003.15 = 8,370,611,499.70 : x
  2. Step 2: Convert to fraction form
    19,399,642,002.10/29,099,463,003.15 = 8,370,611,499.70/x
  3. Step 3: Cross multiply
    19,399,642,002.10x = 29,099,463,003.15 × 8,370,611,499.70
  4. Step 4: Simplify right side
    19,399,642,002.10x = 243,580,299,649,262,092,288
  5. Step 5: Solve for x
    x = 243,580,299,649,262,092,288/19,399,642,002.10
  6. Step 6: Final answer
    x = 12,555,917,249.55

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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.