Home / 442,547,408.87-663,493,856.67-267,631,556.03

Finding the Fourth Proportional to 442,547,408.87, 663,493,856.67 and 267,631,556.03

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Solution

The fourth proportional to 442,547,408.87, 663,493,856.67 and 267,631,556.03 is: 401,249,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,547,408.87 : 663,493,856.67 = 267,631,556.03 : x
  2. Step 2: Convert to fraction form
    442,547,408.87/663,493,856.67 = 267,631,556.03/x
  3. Step 3: Cross multiply
    442,547,408.87x = 663,493,856.67 × 267,631,556.03
  4. Step 4: Simplify right side
    442,547,408.87x = 177,571,893,279,843,968
  5. Step 5: Solve for x
    x = 177,571,893,279,843,968/442,547,408.87
  6. Step 6: Final answer
    x = 401,249,424.85

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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.