Finding the Fourth Proportional to 490,892,227.19, 677,445,647.54 and 267,888,278.15
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Solution
The fourth proportional to 490,892,227.19, 677,445,647.54 and 267,888,278.15 is: 369,693,667.99
Step by Step Solution
- Step 1: Write the proportion equation
490,892,227.19 : 677,445,647.54 = 267,888,278.15 : x - Step 2: Convert to fraction form
490,892,227.19/677,445,647.54 = 267,888,278.15/x - Step 3: Cross multiply
490,892,227.19x = 677,445,647.54 × 267,888,278.15 - Step 4: Simplify right side
490,892,227.19x = 181,479,748,059,702,368 - Step 5: Solve for x
x = 181,479,748,059,702,368/490,892,227.19 - Step 6: Final answer
x = 369,693,667.99
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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.