Finding the Fourth Proportional to 1,324,676,478.83, 1,828,065,800.56 and 729,982,245.62
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Solution
The fourth proportional to 1,324,676,478.83, 1,828,065,800.56 and 729,982,245.62 is: 1,007,382,254.88
Step by Step Solution
- Step 1: Write the proportion equation
1,324,676,478.83 : 1,828,065,800.56 = 729,982,245.62 : x - Step 2: Convert to fraction form
1,324,676,478.83/1,828,065,800.56 = 729,982,245.62/x - Step 3: Cross multiply
1,324,676,478.83x = 1,828,065,800.56 × 729,982,245.62 - Step 4: Simplify right side
1,324,676,478.83x = 1,334,455,578,233,911,808 - Step 5: Solve for x
x = 1,334,455,578,233,911,808/1,324,676,478.83 - Step 6: Final answer
x = 1,007,382,254.88
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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.