Home / 640,935,204.06-961,373,915.82-267,289,228.38

Finding the Fourth Proportional to 640,935,204.06, 961,373,915.82 and 267,289,228.38

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Solution

The fourth proportional to 640,935,204.06, 961,373,915.82 and 267,289,228.38 is: 400,921,794.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    640,935,204.06 : 961,373,915.82 = 267,289,228.38 : x
  2. Step 2: Convert to fraction form
    640,935,204.06/961,373,915.82 = 267,289,228.38/x
  3. Step 3: Cross multiply
    640,935,204.06x = 961,373,915.82 × 267,289,228.38
  4. Step 4: Simplify right side
    640,935,204.06x = 256,964,892,144,186,880
  5. Step 5: Solve for x
    x = 256,964,892,144,186,880/640,935,204.06
  6. Step 6: Final answer
    x = 400,921,794.46

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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.