Finding the Fourth Proportional to 327,103,616.10, 490,655,424.15 and 235,270,611.30
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Solution
The fourth proportional to 327,103,616.10, 490,655,424.15 and 235,270,611.30 is: 352,905,916.95
Step by Step Solution
- Step 1: Write the proportion equation
327,103,616.10 : 490,655,424.15 = 235,270,611.30 : x - Step 2: Convert to fraction form
327,103,616.10/490,655,424.15 = 235,270,611.30/x - Step 3: Cross multiply
327,103,616.10x = 490,655,424.15 × 235,270,611.30 - Step 4: Simplify right side
327,103,616.10x = 115,436,801,577,431,280 - Step 5: Solve for x
x = 115,436,801,577,431,280/327,103,616.10 - Step 6: Final answer
x = 352,905,916.95
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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.