Home / 396,886,145.95-595,408,686-222,257,518.84

Finding the Fourth Proportional to 396,886,145.95, 595,408,686 and 222,257,518.84

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Solution

The fourth proportional to 396,886,145.95, 595,408,686 and 222,257,518.84 is: 333,430,780.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,886,145.95 : 595,408,686 = 222,257,518.84 : x
  2. Step 2: Convert to fraction form
    396,886,145.95/595,408,686 = 222,257,518.84/x
  3. Step 3: Cross multiply
    396,886,145.95x = 595,408,686 × 222,257,518.84
  4. Step 4: Simplify right side
    396,886,145.95x = 132,334,057,246,144,640
  5. Step 5: Solve for x
    x = 132,334,057,246,144,640/396,886,145.95
  6. Step 6: Final answer
    x = 333,430,780.08

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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.