Home / 789,728,274.28-1,089,811,618.68-437,296,698.16

Finding the Fourth Proportional to 789,728,274.28, 1,089,811,618.68 and 437,296,698.16

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Solution

The fourth proportional to 789,728,274.28, 1,089,811,618.68 and 437,296,698.16 is: 603,462,023.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,728,274.28 : 1,089,811,618.68 = 437,296,698.16 : x
  2. Step 2: Convert to fraction form
    789,728,274.28/1,089,811,618.68 = 437,296,698.16/x
  3. Step 3: Cross multiply
    789,728,274.28x = 1,089,811,618.68 × 437,296,698.16
  4. Step 4: Simplify right side
    789,728,274.28x = 476,571,022,465,169,024
  5. Step 5: Solve for x
    x = 476,571,022,465,169,024/789,728,274.28
  6. Step 6: Final answer
    x = 603,462,023.57

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Double scale
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1.5x scale

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.