Finding the Fourth Proportional to 343,898,419.41, 515,370,382.07 and 156,694,862.12
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Solution
The fourth proportional to 343,898,419.41, 515,370,382.07 and 156,694,862.12 is: 234,824,838.96
Step by Step Solution
- Step 1: Write the proportion equation
343,898,419.41 : 515,370,382.07 = 156,694,862.12 : x - Step 2: Convert to fraction form
343,898,419.41/515,370,382.07 = 156,694,862.12/x - Step 3: Cross multiply
343,898,419.41x = 515,370,382.07 × 156,694,862.12 - Step 4: Simplify right side
343,898,419.41x = 80,755,890,955,830,048 - Step 5: Solve for x
x = 80,755,890,955,830,048/343,898,419.41 - Step 6: Final answer
x = 234,824,838.96
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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.