Finding the Fourth Proportional to 1,588,036,042.26, 2,191,550,201.60 and 883,238,988.06
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Solution
The fourth proportional to 1,588,036,042.26, 2,191,550,201.60 and 883,238,988.06 is: 1,218,903,432.18
Step by Step Solution
- Step 1: Write the proportion equation
1,588,036,042.26 : 2,191,550,201.60 = 883,238,988.06 : x - Step 2: Convert to fraction form
1,588,036,042.26/2,191,550,201.60 = 883,238,988.06/x - Step 3: Cross multiply
1,588,036,042.26x = 2,191,550,201.60 × 883,238,988.06 - Step 4: Simplify right side
1,588,036,042.26x = 1,935,662,582,339,456,512 - Step 5: Solve for x
x = 1,935,662,582,339,456,512/1,588,036,042.26 - Step 6: Final answer
x = 1,218,903,432.18
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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.