Finding the Fourth Proportional to 482,471,921.49, 724,013,981.58 and 206,125,217.67
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Solution
The fourth proportional to 482,471,921.49, 724,013,981.58 and 206,125,217.67 is: 309,318,600.53
Step by Step Solution
- Step 1: Write the proportion equation
482,471,921.49 : 724,013,981.58 = 206,125,217.67 : x - Step 2: Convert to fraction form
482,471,921.49/724,013,981.58 = 206,125,217.67/x - Step 3: Cross multiply
482,471,921.49x = 724,013,981.58 × 206,125,217.67 - Step 4: Simplify right side
482,471,921.49x = 149,237,539,549,300,864 - Step 5: Solve for x
x = 149,237,539,549,300,864/482,471,921.49 - Step 6: Final answer
x = 309,318,600.53
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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.