Finding the Fourth Proportional to 252,319,696.36, 378,477,018.78 and 79,796,539.24
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Solution
The fourth proportional to 252,319,696.36, 378,477,018.78 and 79,796,539.24 is: 119,694,010.08
Step by Step Solution
- Step 1: Write the proportion equation
252,319,696.36 : 378,477,018.78 = 79,796,539.24 : x - Step 2: Convert to fraction form
252,319,696.36/378,477,018.78 = 79,796,539.24/x - Step 3: Cross multiply
252,319,696.36x = 378,477,018.78 × 79,796,539.24 - Step 4: Simplify right side
252,319,696.36x = 30,201,156,280,516,484 - Step 5: Solve for x
x = 30,201,156,280,516,484/252,319,696.36 - Step 6: Final answer
x = 119,694,010.08
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.