Finding the Fourth Proportional to 539,022,975.84, 743,853,948.24 and 291,504,330.09
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Solution
The fourth proportional to 539,022,975.84, 743,853,948.24 and 291,504,330.09 is: 402,277,187.77
Step by Step Solution
- Step 1: Write the proportion equation
539,022,975.84 : 743,853,948.24 = 291,504,330.09 : x - Step 2: Convert to fraction form
539,022,975.84/743,853,948.24 = 291,504,330.09/x - Step 3: Cross multiply
539,022,975.84x = 743,853,948.24 × 291,504,330.09 - Step 4: Simplify right side
539,022,975.84x = 216,836,646,866,502,720 - Step 5: Solve for x
x = 216,836,646,866,502,720/539,022,975.84 - Step 6: Final answer
x = 402,277,187.77
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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.