Finding the Fourth Proportional to 346,743,087.18, 478,502,931.15 and 190,107,610.62
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Solution
The fourth proportional to 346,743,087.18, 478,502,931.15 and 190,107,610.62 is: 262,347,116.00
Step by Step Solution
- Step 1: Write the proportion equation
346,743,087.18 : 478,502,931.15 = 190,107,610.62 : x - Step 2: Convert to fraction form
346,743,087.18/478,502,931.15 = 190,107,610.62/x - Step 3: Cross multiply
346,743,087.18x = 478,502,931.15 × 190,107,610.62 - Step 4: Simplify right side
346,743,087.18x = 90,967,048,915,592,864 - Step 5: Solve for x
x = 90,967,048,915,592,864/346,743,087.18 - Step 6: Final answer
x = 262,347,116.00
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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.