Home / 826,105,486.77-1,238,379,191.33-411,190,025.54

Finding the Fourth Proportional to 826,105,486.77, 1,238,379,191.33 and 411,190,025.54

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Solution

The fourth proportional to 826,105,486.77, 1,238,379,191.33 and 411,190,025.54 is: 616,397,275.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,105,486.77 : 1,238,379,191.33 = 411,190,025.54 : x
  2. Step 2: Convert to fraction form
    826,105,486.77/1,238,379,191.33 = 411,190,025.54/x
  3. Step 3: Cross multiply
    826,105,486.77x = 1,238,379,191.33 × 411,190,025.54
  4. Step 4: Simplify right side
    826,105,486.77x = 509,209,171,302,939,456
  5. Step 5: Solve for x
    x = 509,209,171,302,939,456/826,105,486.77
  6. Step 6: Final answer
    x = 616,397,275.48

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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.