Finding the Fourth Proportional to 1,619,551,668, 2,234,980,757.19 and 876,995,730.75
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Solution
The fourth proportional to 1,619,551,668, 2,234,980,757.19 and 876,995,730.75 is: 1,210,253,813.50
Step by Step Solution
- Step 1: Write the proportion equation
1,619,551,668 : 2,234,980,757.19 = 876,995,730.75 : x - Step 2: Convert to fraction form
1,619,551,668/2,234,980,757.19 = 876,995,730.75/x - Step 3: Cross multiply
1,619,551,668x = 2,234,980,757.19 × 876,995,730.75 - Step 4: Simplify right side
1,619,551,668x = 1,960,068,582,364,032,512 - Step 5: Solve for x
x = 1,960,068,582,364,032,512/1,619,551,668 - Step 6: Final answer
x = 1,210,253,813.50
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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.