Home / 519,953,239.85-779,929,812.42-228,820,362.54

Finding the Fourth Proportional to 519,953,239.85, 779,929,812.42 and 228,820,362.54

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Solution

The fourth proportional to 519,953,239.85, 779,929,812.42 and 228,820,362.54 is: 343,230,522.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,953,239.85 : 779,929,812.42 = 228,820,362.54 : x
  2. Step 2: Convert to fraction form
    519,953,239.85/779,929,812.42 = 228,820,362.54/x
  3. Step 3: Cross multiply
    519,953,239.85x = 779,929,812.42 × 228,820,362.54
  4. Step 4: Simplify right side
    519,953,239.85x = 178,463,822,432,554,464
  5. Step 5: Solve for x
    x = 178,463,822,432,554,464/519,953,239.85
  6. Step 6: Final answer
    x = 343,230,522.97

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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.