Finding the Fourth Proportional to 5,121,809,467.74, 7,065,932,741.12 and 3,428,809,569.96
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Solution
The fourth proportional to 5,121,809,467.74, 7,065,932,741.12 and 3,428,809,569.96 is: 4,730,308,293.59
Step by Step Solution
- Step 1: Write the proportion equation
5,121,809,467.74 : 7,065,932,741.12 = 3,428,809,569.96 : x - Step 2: Convert to fraction form
5,121,809,467.74/7,065,932,741.12 = 3,428,809,569.96/x - Step 3: Cross multiply
5,121,809,467.74x = 7,065,932,741.12 × 3,428,809,569.96 - Step 4: Simplify right side
5,121,809,467.74x = 24,227,737,803,445,952,512 - Step 5: Solve for x
x = 24,227,737,803,445,952,512/5,121,809,467.74 - Step 6: Final answer
x = 4,730,308,293.59
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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.