Finding the Fourth Proportional to 6,403,115,561.92, 8,836,575,611.34 and 3,545,257,829.56
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Solution
The fourth proportional to 6,403,115,561.92, 8,836,575,611.34 and 3,545,257,829.56 is: 4,892,608,694.88
Step by Step Solution
- Step 1: Write the proportion equation
6,403,115,561.92 : 8,836,575,611.34 = 3,545,257,829.56 : x - Step 2: Convert to fraction form
6,403,115,561.92/8,836,575,611.34 = 3,545,257,829.56/x - Step 3: Cross multiply
6,403,115,561.92x = 8,836,575,611.34 × 3,545,257,829.56 - Step 4: Simplify right side
6,403,115,561.92x = 31,327,938,872,602,079,232 - Step 5: Solve for x
x = 31,327,938,872,602,079,232/6,403,115,561.92 - Step 6: Final answer
x = 4,892,608,694.88
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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.