Finding the Fourth Proportional to 585,425,035.31, 808,067,451.39 and 376,581,177.68
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Solution
The fourth proportional to 585,425,035.31, 808,067,451.39 and 376,581,177.68 is: 519,798,392.85
Step by Step Solution
- Step 1: Write the proportion equation
585,425,035.31 : 808,067,451.39 = 376,581,177.68 : x - Step 2: Convert to fraction form
585,425,035.31/808,067,451.39 = 376,581,177.68/x - Step 3: Cross multiply
585,425,035.31x = 808,067,451.39 × 376,581,177.68 - Step 4: Simplify right side
585,425,035.31x = 304,302,992,489,322,368 - Step 5: Solve for x
x = 304,302,992,489,322,368/585,425,035.31 - Step 6: Final answer
x = 519,798,392.85
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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.