Finding the Fourth Proportional to 674,383,116.72, 1,011,719,070 and 201,719,286.12
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Solution
The fourth proportional to 674,383,116.72, 1,011,719,070 and 201,719,286.12 is: 302,622,120.12
Step by Step Solution
- Step 1: Write the proportion equation
674,383,116.72 : 1,011,719,070 = 201,719,286.12 : x - Step 2: Convert to fraction form
674,383,116.72/1,011,719,070 = 201,719,286.12/x - Step 3: Cross multiply
674,383,116.72x = 1,011,719,070 × 201,719,286.12 - Step 4: Simplify right side
674,383,116.72x = 204,083,248,554,390,304 - Step 5: Solve for x
x = 204,083,248,554,390,304/674,383,116.72 - Step 6: Final answer
x = 302,622,120.12
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.