Home / 207,728,139,466.02-311,186,412,420.67-143,104,412,243.55

Finding the Fourth Proportional to 207,728,139,466.02, 311,186,412,420.67 and 143,104,412,243.55

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Solution

The fourth proportional to 207,728,139,466.02, 311,186,412,420.67 and 143,104,412,243.55 is: 214,377,063,993.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,728,139,466.02 : 311,186,412,420.67 = 143,104,412,243.55 : x
  2. Step 2: Convert to fraction form
    207,728,139,466.02/311,186,412,420.67 = 143,104,412,243.55/x
  3. Step 3: Cross multiply
    207,728,139,466.02x = 311,186,412,420.67 × 143,104,412,243.55
  4. Step 4: Simplify right side
    207,728,139,466.02x = 44,532,148,647,638,922,690,560
  5. Step 5: Solve for x
    x = 44,532,148,647,638,922,690,560/207,728,139,466.02
  6. Step 6: Final answer
    x = 214,377,063,993.89

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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.