Finding the Fourth Proportional to 548,282,482.56, 756,622,771.44 and 313,330,448.16
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Solution
The fourth proportional to 548,282,482.56, 756,622,771.44 and 313,330,448.16 is: 432,391,986.99
Step by Step Solution
- Step 1: Write the proportion equation
548,282,482.56 : 756,622,771.44 = 313,330,448.16 : x - Step 2: Convert to fraction form
548,282,482.56/756,622,771.44 = 313,330,448.16/x - Step 3: Cross multiply
548,282,482.56x = 756,622,771.44 × 313,330,448.16 - Step 4: Simplify right side
548,282,482.56x = 237,072,952,063,356,480 - Step 5: Solve for x
x = 237,072,952,063,356,480/548,282,482.56 - Step 6: Final answer
x = 432,391,986.99
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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.