Home / 396,175,493.28-546,739,255.98-219,963,497.16

Finding the Fourth Proportional to 396,175,493.28, 546,739,255.98 and 219,963,497.16

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Solution

The fourth proportional to 396,175,493.28, 546,739,255.98 and 219,963,497.16 is: 303,559,106.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,175,493.28 : 546,739,255.98 = 219,963,497.16 : x
  2. Step 2: Convert to fraction form
    396,175,493.28/546,739,255.98 = 219,963,497.16/x
  3. Step 3: Cross multiply
    396,175,493.28x = 546,739,255.98 × 219,963,497.16
  4. Step 4: Simplify right side
    396,175,493.28x = 120,262,678,780,017,248
  5. Step 5: Solve for x
    x = 120,262,678,780,017,248/396,175,493.28
  6. Step 6: Final answer
    x = 303,559,106.56

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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.