Finding the Fourth Proportional to 544,290,514.49, 816,439,019.43 and 135,346,664.99
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Solution
The fourth proportional to 544,290,514.49, 816,439,019.43 and 135,346,664.99 is: 203,020,805.07
Step by Step Solution
- Step 1: Write the proportion equation
544,290,514.49 : 816,439,019.43 = 135,346,664.99 : x - Step 2: Convert to fraction form
544,290,514.49/816,439,019.43 = 135,346,664.99/x - Step 3: Cross multiply
544,290,514.49x = 816,439,019.43 × 135,346,664.99 - Step 4: Simplify right side
544,290,514.49x = 110,502,298,443,474,128 - Step 5: Solve for x
x = 110,502,298,443,474,128/544,290,514.49 - Step 6: Final answer
x = 203,020,805.07
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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.