Finding the Fourth Proportional to 256,797,349.98, 354,382,352.31 and 150,922,339.98
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Solution
The fourth proportional to 256,797,349.98, 354,382,352.31 and 150,922,339.98 is: 208,274,010.08
Step by Step Solution
- Step 1: Write the proportion equation
256,797,349.98 : 354,382,352.31 = 150,922,339.98 : x - Step 2: Convert to fraction form
256,797,349.98/354,382,352.31 = 150,922,339.98/x - Step 3: Cross multiply
256,797,349.98x = 354,382,352.31 × 150,922,339.98 - Step 4: Simplify right side
256,797,349.98x = 53,484,213,858,241,952 - Step 5: Solve for x
x = 53,484,213,858,241,952/256,797,349.98 - Step 6: Final answer
x = 208,274,010.08
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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.