Finding the Fourth Proportional to 1,757,952,092.80, 2,637,348,043.20 and 531,132,572.80
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Solution
The fourth proportional to 1,757,952,092.80, 2,637,348,043.20 and 531,132,572.80 is: 796,825,725.39
Step by Step Solution
- Step 1: Write the proportion equation
1,757,952,092.80 : 2,637,348,043.20 = 531,132,572.80 : x - Step 2: Convert to fraction form
1,757,952,092.80/2,637,348,043.20 = 531,132,572.80/x - Step 3: Cross multiply
1,757,952,092.80x = 2,637,348,043.20 × 531,132,572.80 - Step 4: Simplify right side
1,757,952,092.80x = 1,400,781,451,553,861,376 - Step 5: Solve for x
x = 1,400,781,451,553,861,376/1,757,952,092.80 - Step 6: Final answer
x = 796,825,725.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.