Finding the Fourth Proportional to 287,676,613.43, 396,896,583.93 and 163,829,602.79
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Solution
The fourth proportional to 287,676,613.43, 396,896,583.93 and 163,829,602.79 is: 226,029,529.89
Step by Step Solution
- Step 1: Write the proportion equation
287,676,613.43 : 396,896,583.93 = 163,829,602.79 : x - Step 2: Convert to fraction form
287,676,613.43/396,896,583.93 = 163,829,602.79/x - Step 3: Cross multiply
287,676,613.43x = 396,896,583.93 × 163,829,602.79 - Step 4: Simplify right side
287,676,613.43x = 65,023,409,693,959,792 - Step 5: Solve for x
x = 65,023,409,693,959,792/287,676,613.43 - Step 6: Final answer
x = 226,029,529.89
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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.