Home / 279,938,352.10-419,907,528.15-267,183,768.10

Finding the Fourth Proportional to 279,938,352.10, 419,907,528.15 and 267,183,768.10

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Solution

The fourth proportional to 279,938,352.10, 419,907,528.15 and 267,183,768.10 is: 400,775,652.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,938,352.10 : 419,907,528.15 = 267,183,768.10 : x
  2. Step 2: Convert to fraction form
    279,938,352.10/419,907,528.15 = 267,183,768.10/x
  3. Step 3: Cross multiply
    279,938,352.10x = 419,907,528.15 × 267,183,768.10
  4. Step 4: Simplify right side
    279,938,352.10x = 112,192,475,624,673,808
  5. Step 5: Solve for x
    x = 112,192,475,624,673,808/279,938,352.10
  6. Step 6: Final answer
    x = 400,775,652.15

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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.