Finding the Fourth Proportional to 590,610,637.42, 815,017,862.73 and 339,696,083.68
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Solution
The fourth proportional to 590,610,637.42, 815,017,862.73 and 339,696,083.68 is: 468,766,321.76
Step by Step Solution
- Step 1: Write the proportion equation
590,610,637.42 : 815,017,862.73 = 339,696,083.68 : x - Step 2: Convert to fraction form
590,610,637.42/815,017,862.73 = 339,696,083.68/x - Step 3: Cross multiply
590,610,637.42x = 815,017,862.73 × 339,696,083.68 - Step 4: Simplify right side
590,610,637.42x = 276,858,376,098,624,832 - Step 5: Solve for x
x = 276,858,376,098,624,832/590,610,637.42 - Step 6: Final answer
x = 468,766,321.76
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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.