Finding the Fourth Proportional to 248,832,203.70, 373,248,305.55 and 216,981,707.70
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Solution
The fourth proportional to 248,832,203.70, 373,248,305.55 and 216,981,707.70 is: 325,472,561.55
Step by Step Solution
- Step 1: Write the proportion equation
248,832,203.70 : 373,248,305.55 = 216,981,707.70 : x - Step 2: Convert to fraction form
248,832,203.70/373,248,305.55 = 216,981,707.70/x - Step 3: Cross multiply
248,832,203.70x = 373,248,305.55 × 216,981,707.70 - Step 4: Simplify right side
248,832,203.70x = 80,988,054,734,370,384 - Step 5: Solve for x
x = 80,988,054,734,370,384/248,832,203.70 - Step 6: Final answer
x = 325,472,561.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.