Home / 853,260,823.58-1,279,891,238.40-239,845,049.33

Finding the Fourth Proportional to 853,260,823.58, 1,279,891,238.40 and 239,845,049.33

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Solution

The fourth proportional to 853,260,823.58, 1,279,891,238.40 and 239,845,049.33 is: 359,767,574.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,260,823.58 : 1,279,891,238.40 = 239,845,049.33 : x
  2. Step 2: Convert to fraction form
    853,260,823.58/1,279,891,238.40 = 239,845,049.33/x
  3. Step 3: Cross multiply
    853,260,823.58x = 1,279,891,238.40 × 239,845,049.33
  4. Step 4: Simplify right side
    853,260,823.58x = 306,975,577,204,683,328
  5. Step 5: Solve for x
    x = 306,975,577,204,683,328/853,260,823.58
  6. Step 6: Final answer
    x = 359,767,574.84

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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.