Home / 789,245,762.16-1,089,085,359.96-471,642,981.24

Finding the Fourth Proportional to 789,245,762.16, 1,089,085,359.96 and 471,642,981.24

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Solution

The fourth proportional to 789,245,762.16, 1,089,085,359.96 and 471,642,981.24 is: 650,823,217.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,245,762.16 : 1,089,085,359.96 = 471,642,981.24 : x
  2. Step 2: Convert to fraction form
    789,245,762.16/1,089,085,359.96 = 471,642,981.24/x
  3. Step 3: Cross multiply
    789,245,762.16x = 1,089,085,359.96 × 471,642,981.24
  4. Step 4: Simplify right side
    789,245,762.16x = 513,659,465,996,372,928
  5. Step 5: Solve for x
    x = 513,659,465,996,372,928/789,245,762.16
  6. Step 6: Final answer
    x = 650,823,217.08

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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.