Home / 800,761,546,170.58-1,105,142,605,789-448,889,515,161.72

Finding the Fourth Proportional to 800,761,546,170.58, 1,105,142,605,789 and 448,889,515,161.72

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Solution

The fourth proportional to 800,761,546,170.58, 1,105,142,605,789 and 448,889,515,161.72 is: 619,518,920,294.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,761,546,170.58 : 1,105,142,605,789 = 448,889,515,161.72 : x
  2. Step 2: Convert to fraction form
    800,761,546,170.58/1,105,142,605,789 = 448,889,515,161.72/x
  3. Step 3: Cross multiply
    800,761,546,170.58x = 1,105,142,605,789 × 448,889,515,161.72
  4. Step 4: Simplify right side
    800,761,546,170.58x = 496,086,928,497,184,052,609,024
  5. Step 5: Solve for x
    x = 496,086,928,497,184,052,609,024/800,761,546,170.58
  6. Step 6: Final answer
    x = 619,518,920,294.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.