Home / 396,094,662.81-546,583,204.95-219,868,778.01

Finding the Fourth Proportional to 396,094,662.81, 546,583,204.95 and 219,868,778.01

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Solution

The fourth proportional to 396,094,662.81, 546,583,204.95 and 219,868,778.01 is: 303,403,687.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,094,662.81 : 546,583,204.95 = 219,868,778.01 : x
  2. Step 2: Convert to fraction form
    396,094,662.81/546,583,204.95 = 219,868,778.01/x
  3. Step 3: Cross multiply
    396,094,662.81x = 546,583,204.95 × 219,868,778.01
  4. Step 4: Simplify right side
    396,094,662.81x = 120,176,581,353,145,888
  5. Step 5: Solve for x
    x = 120,176,581,353,145,888/396,094,662.81
  6. Step 6: Final answer
    x = 303,403,687.65

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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.