Home / 265,939,464.69-399,064,644-192,090,423.33

Finding the Fourth Proportional to 265,939,464.69, 399,064,644 and 192,090,423.33

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Solution

The fourth proportional to 265,939,464.69, 399,064,644 and 192,090,423.33 is: 288,247,915.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,939,464.69 : 399,064,644 = 192,090,423.33 : x
  2. Step 2: Convert to fraction form
    265,939,464.69/399,064,644 = 192,090,423.33/x
  3. Step 3: Cross multiply
    265,939,464.69x = 399,064,644 × 192,090,423.33
  4. Step 4: Simplify right side
    265,939,464.69x = 76,656,496,401,995,744
  5. Step 5: Solve for x
    x = 76,656,496,401,995,744/265,939,464.69
  6. Step 6: Final answer
    x = 288,247,915.71

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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.