Finding the Fourth Proportional to 4,138,569,328.40, 6,207,795,531.92 and 1,926,541,825.28
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Solution
The fourth proportional to 4,138,569,328.40, 6,207,795,531.92 and 1,926,541,825.28 is: 2,889,785,523.94
Step by Step Solution
- Step 1: Write the proportion equation
4,138,569,328.40 : 6,207,795,531.92 = 1,926,541,825.28 : x - Step 2: Convert to fraction form
4,138,569,328.40/6,207,795,531.92 = 1,926,541,825.28/x - Step 3: Cross multiply
4,138,569,328.40x = 6,207,795,531.92 × 1,926,541,825.28 - Step 4: Simplify right side
4,138,569,328.40x = 11,959,577,735,030,185,984 - Step 5: Solve for x
x = 11,959,577,735,030,185,984/4,138,569,328.40 - Step 6: Final answer
x = 2,889,785,523.94
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.