Finding the Fourth Proportional to 1,497,932,734.80, 2,067,302,769.48 and 862,875,174
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Solution
The fourth proportional to 1,497,932,734.80, 2,067,302,769.48 and 862,875,174 is: 1,190,857,369.95
Step by Step Solution
- Step 1: Write the proportion equation
1,497,932,734.80 : 2,067,302,769.48 = 862,875,174 : x - Step 2: Convert to fraction form
1,497,932,734.80/2,067,302,769.48 = 862,875,174/x - Step 3: Cross multiply
1,497,932,734.80x = 2,067,302,769.48 × 862,875,174 - Step 4: Simplify right side
1,497,932,734.80x = 1,783,824,236,925,736,960 - Step 5: Solve for x
x = 1,783,824,236,925,736,960/1,497,932,734.80 - Step 6: Final answer
x = 1,190,857,369.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.