Finding the Fourth Proportional to 809,208,231.96, 1,116,707,346.44 and 437,930,263.32
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Solution
The fourth proportional to 809,208,231.96, 1,116,707,346.44 and 437,930,263.32 is: 604,343,755.99
Step by Step Solution
- Step 1: Write the proportion equation
809,208,231.96 : 1,116,707,346.44 = 437,930,263.32 : x - Step 2: Convert to fraction form
809,208,231.96/1,116,707,346.44 = 437,930,263.32/x - Step 3: Cross multiply
809,208,231.96x = 1,116,707,346.44 × 437,930,263.32 - Step 4: Simplify right side
809,208,231.96x = 489,039,942,277,847,680 - Step 5: Solve for x
x = 489,039,942,277,847,680/809,208,231.96 - Step 6: Final answer
x = 604,343,755.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.