Finding the Fourth Proportional to 288,632,567.19, 398,297,602.17 and 163,177,262.37
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Solution
The fourth proportional to 288,632,567.19, 398,297,602.17 and 163,177,262.37 is: 225,175,949.35
Step by Step Solution
- Step 1: Write the proportion equation
288,632,567.19 : 398,297,602.17 = 163,177,262.37 : x - Step 2: Convert to fraction form
288,632,567.19/398,297,602.17 = 163,177,262.37/x - Step 3: Cross multiply
288,632,567.19x = 398,297,602.17 × 163,177,262.37 - Step 4: Simplify right side
288,632,567.19x = 64,993,112,330,635,976 - Step 5: Solve for x
x = 64,993,112,330,635,976/288,632,567.19 - Step 6: Final answer
x = 225,175,949.35
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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.