Home / 818,903,404.80-1,228,355,107.20-673,501,147.20

Finding the Fourth Proportional to 818,903,404.80, 1,228,355,107.20 and 673,501,147.20

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Solution

The fourth proportional to 818,903,404.80, 1,228,355,107.20 and 673,501,147.20 is: 1,010,251,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,903,404.80 : 1,228,355,107.20 = 673,501,147.20 : x
  2. Step 2: Convert to fraction form
    818,903,404.80/1,228,355,107.20 = 673,501,147.20/x
  3. Step 3: Cross multiply
    818,903,404.80x = 1,228,355,107.20 × 673,501,147.20
  4. Step 4: Simplify right side
    818,903,404.80x = 827,298,573,868,179,072
  5. Step 5: Solve for x
    x = 827,298,573,868,179,072/818,903,404.80
  6. Step 6: Final answer
    x = 1,010,251,720.80

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1.5x scale

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.