Finding the Fourth Proportional to 527,664,348,488.36, 728,136,838,699.72 and 296,133,151,563.08
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Solution
The fourth proportional to 527,664,348,488.36, 728,136,838,699.72 and 296,133,151,563.08 is: 408,641,321,762.68
Step by Step Solution
- Step 1: Write the proportion equation
527,664,348,488.36 : 728,136,838,699.72 = 296,133,151,563.08 : x - Step 2: Convert to fraction form
527,664,348,488.36/728,136,838,699.72 = 296,133,151,563.08/x - Step 3: Cross multiply
527,664,348,488.36x = 728,136,838,699.72 × 296,133,151,563.08 - Step 4: Simplify right side
527,664,348,488.36x = 215,625,456,813,326,127,333,376 - Step 5: Solve for x
x = 215,625,456,813,326,127,333,376/527,664,348,488.36 - Step 6: Final answer
x = 408,641,321,762.68
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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.