Finding the Fourth Proportional to 524,264,394.36, 723,502,241.33 and 286,122,618.62
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Solution
The fourth proportional to 524,264,394.36, 723,502,241.33 and 286,122,618.62 is: 394,858,697.42
Step by Step Solution
- Step 1: Write the proportion equation
524,264,394.36 : 723,502,241.33 = 286,122,618.62 : x - Step 2: Convert to fraction form
524,264,394.36/723,502,241.33 = 286,122,618.62/x - Step 3: Cross multiply
524,264,394.36x = 723,502,241.33 × 286,122,618.62 - Step 4: Simplify right side
524,264,394.36x = 207,010,355,861,730,688 - Step 5: Solve for x
x = 207,010,355,861,730,688/524,264,394.36 - Step 6: Final answer
x = 394,858,697.42
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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.