Home / 395,748,261,370.78-546,102,629,031.03-222,099,863,676.81

Finding the Fourth Proportional to 395,748,261,370.78, 546,102,629,031.03 and 222,099,863,676.81

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Solution

The fourth proportional to 395,748,261,370.78, 546,102,629,031.03 and 222,099,863,676.81 is: 306,480,991,328.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,748,261,370.78 : 546,102,629,031.03 = 222,099,863,676.81 : x
  2. Step 2: Convert to fraction form
    395,748,261,370.78/546,102,629,031.03 = 222,099,863,676.81/x
  3. Step 3: Cross multiply
    395,748,261,370.78x = 546,102,629,031.03 × 222,099,863,676.81
  4. Step 4: Simplify right side
    395,748,261,370.78x = 121,289,319,461,339,317,403,648
  5. Step 5: Solve for x
    x = 121,289,319,461,339,317,403,648/395,748,261,370.78
  6. Step 6: Final answer
    x = 306,480,991,328.23

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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.