Finding the Fourth Proportional to 577,169,550.05, 796,472,640.61 and 312,845,867.98
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Solution
The fourth proportional to 577,169,550.05, 796,472,640.61 and 312,845,867.98 is: 431,715,731.63
Step by Step Solution
- Step 1: Write the proportion equation
577,169,550.05 : 796,472,640.61 = 312,845,867.98 : x - Step 2: Convert to fraction form
577,169,550.05/796,472,640.61 = 312,845,867.98/x - Step 3: Cross multiply
577,169,550.05x = 796,472,640.61 × 312,845,867.98 - Step 4: Simplify right side
577,169,550.05x = 249,173,174,577,428,800 - Step 5: Solve for x
x = 249,173,174,577,428,800/577,169,550.05 - Step 6: Final answer
x = 431,715,731.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.