Home / 862,477,465.75-1,293,198,043.49-337,220,790.54

Finding the Fourth Proportional to 862,477,465.75, 1,293,198,043.49 and 337,220,790.54

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Solution

The fourth proportional to 862,477,465.75, 1,293,198,043.49 and 337,220,790.54 is: 505,628,591.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,477,465.75 : 1,293,198,043.49 = 337,220,790.54 : x
  2. Step 2: Convert to fraction form
    862,477,465.75/1,293,198,043.49 = 337,220,790.54/x
  3. Step 3: Cross multiply
    862,477,465.75x = 1,293,198,043.49 × 337,220,790.54
  4. Step 4: Simplify right side
    862,477,465.75x = 436,093,266,547,113,408
  5. Step 5: Solve for x
    x = 436,093,266,547,113,408/862,477,465.75
  6. Step 6: Final answer
    x = 505,628,591.90

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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.