Finding the Fourth Proportional to 309,303,902.44, 426,854,708.09 and 191,867,070.82
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Solution
The fourth proportional to 309,303,902.44, 426,854,708.09 and 191,867,070.82 is: 264,786,062.70
Step by Step Solution
- Step 1: Write the proportion equation
309,303,902.44 : 426,854,708.09 = 191,867,070.82 : x - Step 2: Convert to fraction form
309,303,902.44/426,854,708.09 = 191,867,070.82/x - Step 3: Cross multiply
309,303,902.44x = 426,854,708.09 × 191,867,070.82 - Step 4: Simplify right side
309,303,902.44x = 81,899,362,504,820,176 - Step 5: Solve for x
x = 81,899,362,504,820,176/309,303,902.44 - Step 6: Final answer
x = 264,786,062.70
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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.