Finding the Fourth Proportional to 1,285,504,088,901.40, 1,773,995,932,249.10 and 707,440,607,678.44
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Solution
The fourth proportional to 1,285,504,088,901.40, 1,773,995,932,249.10 and 707,440,607,678.44 is: 976,268,197,950.20
Step by Step Solution
- Step 1: Write the proportion equation
1,285,504,088,901.40 : 1,773,995,932,249.10 = 707,440,607,678.44 : x - Step 2: Convert to fraction form
1,285,504,088,901.40/1,773,995,932,249.10 = 707,440,607,678.44/x - Step 3: Cross multiply
1,285,504,088,901.40x = 1,773,995,932,249.10 × 707,440,607,678.44 - Step 4: Simplify right side
1,285,504,088,901.40x = 1,254,996,760,329,383,959,330,816 - Step 5: Solve for x
x = 1,254,996,760,329,383,959,330,816/1,285,504,088,901.40 - Step 6: Final answer
x = 976,268,197,950.20
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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.