Finding the Fourth Proportional to 931,553,516.96, 1,397,182,193.62 and 309,717,027.26
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Solution
The fourth proportional to 931,553,516.96, 1,397,182,193.62 and 309,717,027.26 is: 464,526,307.58
Step by Step Solution
- Step 1: Write the proportion equation
931,553,516.96 : 1,397,182,193.62 = 309,717,027.26 : x - Step 2: Convert to fraction form
931,553,516.96/1,397,182,193.62 = 309,717,027.26/x - Step 3: Cross multiply
931,553,516.96x = 1,397,182,193.62 × 309,717,027.26 - Step 4: Simplify right side
931,553,516.96x = 432,731,115,540,831,936 - Step 5: Solve for x
x = 432,731,115,540,831,936/931,553,516.96 - Step 6: Final answer
x = 464,526,307.58
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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.