Home / 1,724,831,996.80-2,587,247,995.20-689,180,771.20

Finding the Fourth Proportional to 1,724,831,996.80, 2,587,247,995.20 and 689,180,771.20

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Solution

The fourth proportional to 1,724,831,996.80, 2,587,247,995.20 and 689,180,771.20 is: 1,033,771,156.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,831,996.80 : 2,587,247,995.20 = 689,180,771.20 : x
  2. Step 2: Convert to fraction form
    1,724,831,996.80/2,587,247,995.20 = 689,180,771.20/x
  3. Step 3: Cross multiply
    1,724,831,996.80x = 2,587,247,995.20 × 689,180,771.20
  4. Step 4: Simplify right side
    1,724,831,996.80x = 1,783,081,568,617,590,016
  5. Step 5: Solve for x
    x = 1,783,081,568,617,590,016/1,724,831,996.80
  6. Step 6: Final answer
    x = 1,033,771,156.80

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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.