Finding the Fourth Proportional to 459,914,560.84, 634,684,672.68 and 261,676,051.44
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Solution
The fourth proportional to 459,914,560.84, 634,684,672.68 and 261,676,051.44 is: 361,114,418.19
Step by Step Solution
- Step 1: Write the proportion equation
459,914,560.84 : 634,684,672.68 = 261,676,051.44 : x - Step 2: Convert to fraction form
459,914,560.84/634,684,672.68 = 261,676,051.44/x - Step 3: Cross multiply
459,914,560.84x = 634,684,672.68 × 261,676,051.44 - Step 4: Simplify right side
459,914,560.84x = 166,081,779,056,391,232 - Step 5: Solve for x
x = 166,081,779,056,391,232/459,914,560.84 - Step 6: Final answer
x = 361,114,418.19
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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.