Home / 396,175,296.51-546,738,984.45-219,963,300.48

Finding the Fourth Proportional to 396,175,296.51, 546,738,984.45 and 219,963,300.48

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Solution

The fourth proportional to 396,175,296.51, 546,738,984.45 and 219,963,300.48 is: 303,558,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,175,296.51 : 546,738,984.45 = 219,963,300.48 : x
  2. Step 2: Convert to fraction form
    396,175,296.51/546,738,984.45 = 219,963,300.48/x
  3. Step 3: Cross multiply
    396,175,296.51x = 546,738,984.45 × 219,963,300.48
  4. Step 4: Simplify right side
    396,175,296.51x = 120,262,511,520,705,408
  5. Step 5: Solve for x
    x = 120,262,511,520,705,408/396,175,296.51
  6. Step 6: Final answer
    x = 303,558,835.14

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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.