Home / 789,728,273.28-1,089,811,617.30-437,296,697.16

Finding the Fourth Proportional to 789,728,273.28, 1,089,811,617.30 and 437,296,697.16

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Solution

The fourth proportional to 789,728,273.28, 1,089,811,617.30 and 437,296,697.16 is: 603,462,022.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,728,273.28 : 1,089,811,617.30 = 437,296,697.16 : x
  2. Step 2: Convert to fraction form
    789,728,273.28/1,089,811,617.30 = 437,296,697.16/x
  3. Step 3: Cross multiply
    789,728,273.28x = 1,089,811,617.30 × 437,296,697.16
  4. Step 4: Simplify right side
    789,728,273.28x = 476,571,020,771,887,936
  5. Step 5: Solve for x
    x = 476,571,020,771,887,936/789,728,273.28
  6. Step 6: Final answer
    x = 603,462,022.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.