Finding the Fourth Proportional to 327,119,159.20, 490,261,945.20 and 173,838,647.20
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Solution
The fourth proportional to 327,119,159.20, 490,261,945.20 and 173,838,647.20 is: 260,536,477.09
Step by Step Solution
- Step 1: Write the proportion equation
327,119,159.20 : 490,261,945.20 = 173,838,647.20 : x - Step 2: Convert to fraction form
327,119,159.20/490,261,945.20 = 173,838,647.20/x - Step 3: Cross multiply
327,119,159.20x = 490,261,945.20 × 173,838,647.20 - Step 4: Simplify right side
327,119,159.20x = 85,226,473,327,208,528 - Step 5: Solve for x
x = 85,226,473,327,208,528/327,119,159.20 - Step 6: Final answer
x = 260,536,477.09
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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.