Finding the Fourth Proportional to 2,809,390,599.12, 3,876,777,211.08 and 1,539,229,842.12
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Solution
The fourth proportional to 2,809,390,599.12, 3,876,777,211.08 and 1,539,229,842.12 is: 2,124,037,567.58
Step by Step Solution
- Step 1: Write the proportion equation
2,809,390,599.12 : 3,876,777,211.08 = 1,539,229,842.12 : x - Step 2: Convert to fraction form
2,809,390,599.12/3,876,777,211.08 = 1,539,229,842.12/x - Step 3: Cross multiply
2,809,390,599.12x = 3,876,777,211.08 × 1,539,229,842.12 - Step 4: Simplify right side
2,809,390,599.12x = 5,967,251,174,545,081,344 - Step 5: Solve for x
x = 5,967,251,174,545,081,344/2,809,390,599.12 - Step 6: Final answer
x = 2,124,037,567.58
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1.5x scale
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.