Home / 673,111,811.40-1,009,667,717.10-443,340,342.60

Finding the Fourth Proportional to 673,111,811.40, 1,009,667,717.10 and 443,340,342.60

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Solution

The fourth proportional to 673,111,811.40, 1,009,667,717.10 and 443,340,342.60 is: 665,010,513.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,111,811.40 : 1,009,667,717.10 = 443,340,342.60 : x
  2. Step 2: Convert to fraction form
    673,111,811.40/1,009,667,717.10 = 443,340,342.60/x
  3. Step 3: Cross multiply
    673,111,811.40x = 1,009,667,717.10 × 443,340,342.60
  4. Step 4: Simplify right side
    673,111,811.40x = 447,626,431,611,273,920
  5. Step 5: Solve for x
    x = 447,626,431,611,273,920/673,111,811.40
  6. Step 6: Final answer
    x = 665,010,513.90

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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.