Finding the Fourth Proportional to 482,471,922.49, 724,013,983.08 and 206,125,218.67
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Solution
The fourth proportional to 482,471,922.49, 724,013,983.08 and 206,125,218.67 is: 309,318,602.03
Step by Step Solution
- Step 1: Write the proportion equation
482,471,922.49 : 724,013,983.08 = 206,125,218.67 : x - Step 2: Convert to fraction form
482,471,922.49/724,013,983.08 = 206,125,218.67/x - Step 3: Cross multiply
482,471,922.49x = 724,013,983.08 × 206,125,218.67 - Step 4: Simplify right side
482,471,922.49x = 149,237,540,582,502,688 - Step 5: Solve for x
x = 149,237,540,582,502,688/482,471,922.49 - Step 6: Final answer
x = 309,318,602.03
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1.5x scale
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.