Home / 6,378,763,280.80-9,568,144,921.20-1,720,628,240.80

Finding the Fourth Proportional to 6,378,763,280.80, 9,568,144,921.20 and 1,720,628,240.80

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Solution

The fourth proportional to 6,378,763,280.80, 9,568,144,921.20 and 1,720,628,240.80 is: 2,580,942,361.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378,763,280.80 : 9,568,144,921.20 = 1,720,628,240.80 : x
  2. Step 2: Convert to fraction form
    6,378,763,280.80/9,568,144,921.20 = 1,720,628,240.80/x
  3. Step 3: Cross multiply
    6,378,763,280.80x = 9,568,144,921.20 × 1,720,628,240.80
  4. Step 4: Simplify right side
    6,378,763,280.80x = 16,463,220,363,483,811,840
  5. Step 5: Solve for x
    x = 16,463,220,363,483,811,840/6,378,763,280.80
  6. Step 6: Final answer
    x = 2,580,942,361.20

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Double scale
Find fourth proportional to 6,378,763,281.80, 9,568,144,922.70 and 1,720,628,241.80
Similar ratio
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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.