Finding the Fourth Proportional to 912,330,305.43, 1,368,548,137.26 and 352,095,041.97
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Solution
The fourth proportional to 912,330,305.43, 1,368,548,137.26 and 352,095,041.97 is: 528,162,893.37
Step by Step Solution
- Step 1: Write the proportion equation
912,330,305.43 : 1,368,548,137.26 = 352,095,041.97 : x - Step 2: Convert to fraction form
912,330,305.43/1,368,548,137.26 = 352,095,041.97/x - Step 3: Cross multiply
912,330,305.43x = 1,368,548,137.26 × 352,095,041.97 - Step 4: Simplify right side
912,330,305.43x = 481,859,013,826,525,056 - Step 5: Solve for x
x = 481,859,013,826,525,056/912,330,305.43 - Step 6: Final answer
x = 528,162,893.37
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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.