Home / 828,840,492.75-1,242,647,825.01-501,243,175.35

Finding the Fourth Proportional to 828,840,492.75, 1,242,647,825.01 and 501,243,175.35

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Solution

The fourth proportional to 828,840,492.75, 1,242,647,825.01 and 501,243,175.35 is: 751,494,101.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,840,492.75 : 1,242,647,825.01 = 501,243,175.35 : x
  2. Step 2: Convert to fraction form
    828,840,492.75/1,242,647,825.01 = 501,243,175.35/x
  3. Step 3: Cross multiply
    828,840,492.75x = 1,242,647,825.01 × 501,243,175.35
  4. Step 4: Simplify right side
    828,840,492.75x = 622,868,741,649,783,552
  5. Step 5: Solve for x
    x = 622,868,741,649,783,552/828,840,492.75
  6. Step 6: Final answer
    x = 751,494,101.82

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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.