Home / 909,786,163.26-1,364,683,242.88-288,004,449.82

Finding the Fourth Proportional to 909,786,163.26, 1,364,683,242.88 and 288,004,449.82

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Solution

The fourth proportional to 909,786,163.26, 1,364,683,242.88 and 288,004,449.82 is: 432,007,940.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,786,163.26 : 1,364,683,242.88 = 288,004,449.82 : x
  2. Step 2: Convert to fraction form
    909,786,163.26/1,364,683,242.88 = 288,004,449.82/x
  3. Step 3: Cross multiply
    909,786,163.26x = 1,364,683,242.88 × 288,004,449.82
  4. Step 4: Simplify right side
    909,786,163.26x = 393,034,846,544,227,840
  5. Step 5: Solve for x
    x = 393,034,846,544,227,840/909,786,163.26
  6. Step 6: Final answer
    x = 432,007,940.34

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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.