Finding the Fourth Proportional to 346,715,247.99, 478,466,926.74 and 190,078,991.91
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Solution
The fourth proportional to 346,715,247.99, 478,466,926.74 and 190,078,991.91 is: 262,308,945.52
Step by Step Solution
- Step 1: Write the proportion equation
346,715,247.99 : 478,466,926.74 = 190,078,991.91 : x - Step 2: Convert to fraction form
346,715,247.99/478,466,926.74 = 190,078,991.91/x - Step 3: Cross multiply
346,715,247.99x = 478,466,926.74 × 190,078,991.91 - Step 4: Simplify right side
346,715,247.99x = 90,946,511,097,015,024 - Step 5: Solve for x
x = 90,946,511,097,015,024/346,715,247.99 - Step 6: Final answer
x = 262,308,945.52
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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.