Home / 646,494,239.88-892,162,016.90-349,136,453.42

Finding the Fourth Proportional to 646,494,239.88, 892,162,016.90 and 349,136,453.42

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Solution

The fourth proportional to 646,494,239.88, 892,162,016.90 and 349,136,453.42 is: 481,808,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,494,239.88 : 892,162,016.90 = 349,136,453.42 : x
  2. Step 2: Convert to fraction form
    646,494,239.88/892,162,016.90 = 349,136,453.42/x
  3. Step 3: Cross multiply
    646,494,239.88x = 892,162,016.90 × 349,136,453.42
  4. Step 4: Simplify right side
    646,494,239.88x = 311,486,282,459,603,392
  5. Step 5: Solve for x
    x = 311,486,282,459,603,392/646,494,239.88
  6. Step 6: Final answer
    x = 481,808,287.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.