Finding the Fourth Proportional to 288,884,279.04, 398,660,261.12 and 165,127,613.44
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Solution
The fourth proportional to 288,884,279.04, 398,660,261.12 and 165,127,613.44 is: 227,876,081.42
Step by Step Solution
- Step 1: Write the proportion equation
288,884,279.04 : 398,660,261.12 = 165,127,613.44 : x - Step 2: Convert to fraction form
288,884,279.04/398,660,261.12 = 165,127,613.44/x - Step 3: Cross multiply
288,884,279.04x = 398,660,261.12 × 165,127,613.44 - Step 4: Simplify right side
288,884,279.04x = 65,829,817,492,112,824 - Step 5: Solve for x
x = 65,829,817,492,112,824/288,884,279.04 - Step 6: Final answer
x = 227,876,081.42
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.