Finding the Fourth Proportional to 354,894,038.74, 531,865,213.74 and 276,205,561.92
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Solution
The fourth proportional to 354,894,038.74, 531,865,213.74 and 276,205,561.92 is: 413,938,004.56
Step by Step Solution
- Step 1: Write the proportion equation
354,894,038.74 : 531,865,213.74 = 276,205,561.92 : x - Step 2: Convert to fraction form
354,894,038.74/531,865,213.74 = 276,205,561.92/x - Step 3: Cross multiply
354,894,038.74x = 531,865,213.74 × 276,205,561.92 - Step 4: Simplify right side
354,894,038.74x = 146,904,130,226,757,632 - Step 5: Solve for x
x = 146,904,130,226,757,632/354,894,038.74 - Step 6: Final answer
x = 413,938,004.56
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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.