Finding the Fourth Proportional to 343,898,422.41, 515,370,386.55 and 156,694,865.13
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Solution
The fourth proportional to 343,898,422.41, 515,370,386.55 and 156,694,865.13 is: 234,824,843.47
Step by Step Solution
- Step 1: Write the proportion equation
343,898,422.41 : 515,370,386.55 = 156,694,865.13 : x - Step 2: Convert to fraction form
343,898,422.41/515,370,386.55 = 156,694,865.13/x - Step 3: Cross multiply
343,898,422.41x = 515,370,386.55 × 156,694,865.13 - Step 4: Simplify right side
343,898,422.41x = 80,755,893,212,448,208 - Step 5: Solve for x
x = 80,755,893,212,448,208/343,898,422.41 - Step 6: Final answer
x = 234,824,843.47
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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.