Finding the Fourth Proportional to 1,659,528,051.60, 2,489,418,048.60 and 494,905,645.20
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Solution
The fourth proportional to 1,659,528,051.60, 2,489,418,048.60 and 494,905,645.20 is: 742,396,035.02
Step by Step Solution
- Step 1: Write the proportion equation
1,659,528,051.60 : 2,489,418,048.60 = 494,905,645.20 : x - Step 2: Convert to fraction form
1,659,528,051.60/2,489,418,048.60 = 494,905,645.20/x - Step 3: Cross multiply
1,659,528,051.60x = 2,489,418,048.60 × 494,905,645.20 - Step 4: Simplify right side
1,659,528,051.60x = 1,232,027,045,514,907,904 - Step 5: Solve for x
x = 1,232,027,045,514,907,904/1,659,528,051.60 - Step 6: Final answer
x = 742,396,035.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.