Finding the Fourth Proportional to 406,177,497.93, 609,236,446.74 and 129,754,492.52
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Solution
The fourth proportional to 406,177,497.93, 609,236,446.74 and 129,754,492.52 is: 194,622,219.04
Step by Step Solution
- Step 1: Write the proportion equation
406,177,497.93 : 609,236,446.74 = 129,754,492.52 : x - Step 2: Convert to fraction form
406,177,497.93/609,236,446.74 = 129,754,492.52/x - Step 3: Cross multiply
406,177,497.93x = 609,236,446.74 × 129,754,492.52 - Step 4: Simplify right side
406,177,497.93x = 79,051,165,971,436,704 - Step 5: Solve for x
x = 79,051,165,971,436,704/406,177,497.93 - Step 6: Final answer
x = 194,622,219.04
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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.