Finding the Fourth Proportional to 330,222,779.70, 495,334,169.55 and 84,578,939.70
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Solution
The fourth proportional to 330,222,779.70, 495,334,169.55 and 84,578,939.70 is: 126,868,409.55
Step by Step Solution
- Step 1: Write the proportion equation
330,222,779.70 : 495,334,169.55 = 84,578,939.70 : x - Step 2: Convert to fraction form
330,222,779.70/495,334,169.55 = 84,578,939.70/x - Step 3: Cross multiply
330,222,779.70x = 495,334,169.55 × 84,578,939.70 - Step 4: Simplify right side
330,222,779.70x = 41,894,838,857,719,032 - Step 5: Solve for x
x = 41,894,838,857,719,032/330,222,779.70 - Step 6: Final answer
x = 126,868,409.55
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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.