Finding the Fourth Proportional to 215,778,816,195.70, 323,232,867,826.35 and 215,778,816,195.70
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Solution
The fourth proportional to 215,778,816,195.70, 323,232,867,826.35 and 215,778,816,195.70 is: 323,232,867,826.35
Step by Step Solution
- Step 1: Write the proportion equation
215,778,816,195.70 : 323,232,867,826.35 = 215,778,816,195.70 : x - Step 2: Convert to fraction form
215,778,816,195.70/323,232,867,826.35 = 215,778,816,195.70/x - Step 3: Cross multiply
215,778,816,195.70x = 323,232,867,826.35 × 215,778,816,195.70 - Step 4: Simplify right side
215,778,816,195.70x = 69,746,805,575,110,965,067,776 - Step 5: Solve for x
x = 69,746,805,575,110,965,067,776/215,778,816,195.70 - Step 6: Final answer
x = 323,232,867,826.35
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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.