Home / 787,880,816.72-1,181,845,301.52-270,303,997.04

Finding the Fourth Proportional to 787,880,816.72, 1,181,845,301.52 and 270,303,997.04

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Solution

The fourth proportional to 787,880,816.72, 1,181,845,301.52 and 270,303,997.04 is: 405,464,255.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,880,816.72 : 1,181,845,301.52 = 270,303,997.04 : x
  2. Step 2: Convert to fraction form
    787,880,816.72/1,181,845,301.52 = 270,303,997.04/x
  3. Step 3: Cross multiply
    787,880,816.72x = 1,181,845,301.52 × 270,303,997.04
  4. Step 4: Simplify right side
    787,880,816.72x = 319,457,508,883,800,000
  5. Step 5: Solve for x
    x = 319,457,508,883,800,000/787,880,816.72
  6. Step 6: Final answer
    x = 405,464,255.64

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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.