Finding the Fourth Proportional to 4,138,569,326.40, 6,207,795,528.92 and 1,926,541,823.28
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Solution
The fourth proportional to 4,138,569,326.40, 6,207,795,528.92 and 1,926,541,823.28 is: 2,889,785,520.94
Step by Step Solution
- Step 1: Write the proportion equation
4,138,569,326.40 : 6,207,795,528.92 = 1,926,541,823.28 : x - Step 2: Convert to fraction form
4,138,569,326.40/6,207,795,528.92 = 1,926,541,823.28/x - Step 3: Cross multiply
4,138,569,326.40x = 6,207,795,528.92 × 1,926,541,823.28 - Step 4: Simplify right side
4,138,569,326.40x = 11,959,577,716,834,969,600 - Step 5: Solve for x
x = 11,959,577,716,834,969,600/4,138,569,326.40 - Step 6: Final answer
x = 2,889,785,520.94
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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.