Finding the Fourth Proportional to 488,892,613.68, 674,684,571.96 and 268,881,813.36
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Solution
The fourth proportional to 488,892,613.68, 674,684,571.96 and 268,881,813.36 is: 371,063,922.99
Step by Step Solution
- Step 1: Write the proportion equation
488,892,613.68 : 674,684,571.96 = 268,881,813.36 : x - Step 2: Convert to fraction form
488,892,613.68/674,684,571.96 = 268,881,813.36/x - Step 3: Cross multiply
488,892,613.68x = 674,684,571.96 × 268,881,813.36 - Step 4: Simplify right side
488,892,613.68x = 181,410,411,154,620,224 - Step 5: Solve for x
x = 181,410,411,154,620,224/488,892,613.68 - Step 6: Final answer
x = 371,063,922.99
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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.