Home / 443,016,266.70-664,524,400.05-261,617,738.70

Finding the Fourth Proportional to 443,016,266.70, 664,524,400.05 and 261,617,738.70

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Solution

The fourth proportional to 443,016,266.70, 664,524,400.05 and 261,617,738.70 is: 392,426,608.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,016,266.70 : 664,524,400.05 = 261,617,738.70 : x
  2. Step 2: Convert to fraction form
    443,016,266.70/664,524,400.05 = 261,617,738.70/x
  3. Step 3: Cross multiply
    443,016,266.70x = 664,524,400.05 × 261,617,738.70
  4. Step 4: Simplify right side
    443,016,266.70x = 173,851,370,852,055,136
  5. Step 5: Solve for x
    x = 173,851,370,852,055,136/443,016,266.70
  6. Step 6: Final answer
    x = 392,426,608.05

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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.