Finding the Fourth Proportional to 466,690,146.48, 644,058,230.18 and 257,841,805.14
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Solution
The fourth proportional to 466,690,146.48, 644,058,230.18 and 257,841,805.14 is: 355,835,960.83
Step by Step Solution
- Step 1: Write the proportion equation
466,690,146.48 : 644,058,230.18 = 257,841,805.14 : x - Step 2: Convert to fraction form
466,690,146.48/644,058,230.18 = 257,841,805.14/x - Step 3: Cross multiply
466,690,146.48x = 644,058,230.18 × 257,841,805.14 - Step 4: Simplify right side
466,690,146.48x = 166,065,136,684,884,800 - Step 5: Solve for x
x = 166,065,136,684,884,800/466,690,146.48 - Step 6: Final answer
x = 355,835,960.83
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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.