Finding the Fourth Proportional to 5,928,722,387.75, 8,181,115,816.43 and 3,387,900,140.06
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Solution
The fourth proportional to 5,928,722,387.75, 8,181,115,816.43 and 3,387,900,140.06 is: 4,675,004,428.87
Step by Step Solution
- Step 1: Write the proportion equation
5,928,722,387.75 : 8,181,115,816.43 = 3,387,900,140.06 : x - Step 2: Convert to fraction form
5,928,722,387.75/8,181,115,816.43 = 3,387,900,140.06/x - Step 3: Cross multiply
5,928,722,387.75x = 8,181,115,816.43 × 3,387,900,140.06 - Step 4: Simplify right side
5,928,722,387.75x = 27,716,803,420,296,826,880 - Step 5: Solve for x
x = 27,716,803,420,296,826,880/5,928,722,387.75 - Step 6: Final answer
x = 4,675,004,428.87
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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.