Finding the Fourth Proportional to 1,342,508,825,073.80, 1,853,006,884,577.10 and 874,385,921,043.70
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Solution
The fourth proportional to 1,342,508,825,073.80, 1,853,006,884,577.10 and 874,385,921,043.70 is: 1,206,877,080,589.92
Step by Step Solution
- Step 1: Write the proportion equation
1,342,508,825,073.80 : 1,853,006,884,577.10 = 874,385,921,043.70 : x - Step 2: Convert to fraction form
1,342,508,825,073.80/1,853,006,884,577.10 = 874,385,921,043.70/x - Step 3: Cross multiply
1,342,508,825,073.80x = 1,853,006,884,577.10 × 874,385,921,043.70 - Step 4: Simplify right side
1,342,508,825,073.80x = 1,620,243,131,471,264,716,161,024 - Step 5: Solve for x
x = 1,620,243,131,471,264,716,161,024/1,342,508,825,073.80 - Step 6: Final answer
x = 1,206,877,080,589.92
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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.