Finding the Fourth Proportional to 4,890,251,113.20, 7,335,376,669.80 and 4,359,660,418.80
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Solution
The fourth proportional to 4,890,251,113.20, 7,335,376,669.80 and 4,359,660,418.80 is: 6,539,490,628.20
Step by Step Solution
- Step 1: Write the proportion equation
4,890,251,113.20 : 7,335,376,669.80 = 4,359,660,418.80 : x - Step 2: Convert to fraction form
4,890,251,113.20/7,335,376,669.80 = 4,359,660,418.80/x - Step 3: Cross multiply
4,890,251,113.20x = 7,335,376,669.80 × 4,359,660,418.80 - Step 4: Simplify right side
4,890,251,113.20x = 31,979,751,324,316,020,736 - Step 5: Solve for x
x = 31,979,751,324,316,020,736/4,890,251,113.20 - Step 6: Final answer
x = 6,539,490,628.20
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1.5x scale
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.