Home / 442,912,536.10-611,237,870.15-254,740,882.37

Finding the Fourth Proportional to 442,912,536.10, 611,237,870.15 and 254,740,882.37

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Solution

The fourth proportional to 442,912,536.10, 611,237,870.15 and 254,740,882.37 is: 351,553,098.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,912,536.10 : 611,237,870.15 = 254,740,882.37 : x
  2. Step 2: Convert to fraction form
    442,912,536.10/611,237,870.15 = 254,740,882.37/x
  3. Step 3: Cross multiply
    442,912,536.10x = 611,237,870.15 × 254,740,882.37
  4. Step 4: Simplify right side
    442,912,536.10x = 155,707,274,375,640,576
  5. Step 5: Solve for x
    x = 155,707,274,375,640,576/442,912,536.10
  6. Step 6: Final answer
    x = 351,553,098.38

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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.