Finding the Fourth Proportional to 217,992,490,652.09, 326,987,363,863.92 and 117,310,783,947.20
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Solution
The fourth proportional to 217,992,490,652.09, 326,987,363,863.92 and 117,310,783,947.20 is: 175,965,437,529.34
Step by Step Solution
- Step 1: Write the proportion equation
217,992,490,652.09 : 326,987,363,863.92 = 117,310,783,947.20 : x - Step 2: Convert to fraction form
217,992,490,652.09/326,987,363,863.92 = 117,310,783,947.20/x - Step 3: Cross multiply
217,992,490,652.09x = 326,987,363,863.92 × 117,310,783,947.20 - Step 4: Simplify right side
217,992,490,652.09x = 38,359,143,995,704,787,075,072 - Step 5: Solve for x
x = 38,359,143,995,704,787,075,072/217,992,490,652.09 - Step 6: Final answer
x = 175,965,437,529.34
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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.