Finding the Fourth Proportional to 506,807,725.02, 699,394,660.47 and 275,020,717.02
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Solution
The fourth proportional to 506,807,725.02, 699,394,660.47 and 275,020,717.02 is: 379,528,589.46
Step by Step Solution
- Step 1: Write the proportion equation
506,807,725.02 : 699,394,660.47 = 275,020,717.02 : x - Step 2: Convert to fraction form
506,807,725.02/699,394,660.47 = 275,020,717.02/x - Step 3: Cross multiply
506,807,725.02x = 699,394,660.47 × 275,020,717.02 - Step 4: Simplify right side
506,807,725.02x = 192,348,021,002,418,848 - Step 5: Solve for x
x = 192,348,021,002,418,848/506,807,725.02 - Step 6: Final answer
x = 379,528,589.46
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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.