Home / 859,651,266.98-1,289,729,892.63-277,374,589.22

Finding the Fourth Proportional to 859,651,266.98, 1,289,729,892.63 and 277,374,589.22

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Solution

The fourth proportional to 859,651,266.98, 1,289,729,892.63 and 277,374,589.22 is: 416,143,514.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,651,266.98 : 1,289,729,892.63 = 277,374,589.22 : x
  2. Step 2: Convert to fraction form
    859,651,266.98/1,289,729,892.63 = 277,374,589.22/x
  3. Step 3: Cross multiply
    859,651,266.98x = 1,289,729,892.63 × 277,374,589.22
  4. Step 4: Simplify right side
    859,651,266.98x = 357,738,299,166,552,320
  5. Step 5: Solve for x
    x = 357,738,299,166,552,320/859,651,266.98
  6. Step 6: Final answer
    x = 416,143,514.13

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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.