Finding the Fourth Proportional to 3,471,418,471.68, 4,790,592,650.88 and 1,885,541,400
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Solution
The fourth proportional to 3,471,418,471.68, 4,790,592,650.88 and 1,885,541,400 is: 2,602,066,229.54
Step by Step Solution
- Step 1: Write the proportion equation
3,471,418,471.68 : 4,790,592,650.88 = 1,885,541,400 : x - Step 2: Convert to fraction form
3,471,418,471.68/4,790,592,650.88 = 1,885,541,400/x - Step 3: Cross multiply
3,471,418,471.68x = 4,790,592,650.88 × 1,885,541,400 - Step 4: Simplify right side
3,471,418,471.68x = 9,032,860,773,769,987,072 - Step 5: Solve for x
x = 9,032,860,773,769,987,072/3,471,418,471.68 - Step 6: Final answer
x = 2,602,066,229.54
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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.