Finding the Fourth Proportional to 7,531,428,678.53, 11,298,777,302.43 and 2,290,900,685.87
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Solution
The fourth proportional to 7,531,428,678.53, 11,298,777,302.43 and 2,290,900,685.87 is: 3,436,848,143.48
Step by Step Solution
- Step 1: Write the proportion equation
7,531,428,678.53 : 11,298,777,302.43 = 2,290,900,685.87 : x - Step 2: Convert to fraction form
7,531,428,678.53/11,298,777,302.43 = 2,290,900,685.87/x - Step 3: Cross multiply
7,531,428,678.53x = 11,298,777,302.43 × 2,290,900,685.87 - Step 4: Simplify right side
7,531,428,678.53x = 25,884,376,671,572,779,008 - Step 5: Solve for x
x = 25,884,376,671,572,779,008/7,531,428,678.53 - Step 6: Final answer
x = 3,436,848,143.48
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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.