Finding the Fourth Proportional to 346,770,950.18, 478,613,432.39 and 205,720,462.62
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Solution
The fourth proportional to 346,770,950.18, 478,613,432.39 and 205,720,462.62 is: 283,935,481.55
Step by Step Solution
- Step 1: Write the proportion equation
346,770,950.18 : 478,613,432.39 = 205,720,462.62 : x - Step 2: Convert to fraction form
346,770,950.18/478,613,432.39 = 205,720,462.62/x - Step 3: Cross multiply
346,770,950.18x = 478,613,432.39 × 205,720,462.62 - Step 4: Simplify right side
346,770,950.18x = 98,460,576,726,388,288 - Step 5: Solve for x
x = 98,460,576,726,388,288/346,770,950.18 - Step 6: Final answer
x = 283,935,481.55
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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.