Home / 448,492,642.20-672,738,963.30-327,560,290.20

Finding the Fourth Proportional to 448,492,642.20, 672,738,963.30 and 327,560,290.20

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Solution

The fourth proportional to 448,492,642.20, 672,738,963.30 and 327,560,290.20 is: 491,340,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,492,642.20 : 672,738,963.30 = 327,560,290.20 : x
  2. Step 2: Convert to fraction form
    448,492,642.20/672,738,963.30 = 327,560,290.20/x
  3. Step 3: Cross multiply
    448,492,642.20x = 672,738,963.30 × 327,560,290.20
  4. Step 4: Simplify right side
    448,492,642.20x = 220,362,570,047,395,136
  5. Step 5: Solve for x
    x = 220,362,570,047,395,136/448,492,642.20
  6. Step 6: Final answer
    x = 491,340,435.30

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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.