Finding the Fourth Proportional to 1,838,795,165.28, 2,537,590,920.84 and 1,003,473,543.60
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Solution
The fourth proportional to 1,838,795,165.28, 2,537,590,920.84 and 1,003,473,543.60 is: 1,384,822,736.99
Step by Step Solution
- Step 1: Write the proportion equation
1,838,795,165.28 : 2,537,590,920.84 = 1,003,473,543.60 : x - Step 2: Convert to fraction form
1,838,795,165.28/2,537,590,920.84 = 1,003,473,543.60/x - Step 3: Cross multiply
1,838,795,165.28x = 2,537,590,920.84 × 1,003,473,543.60 - Step 4: Simplify right side
1,838,795,165.28x = 2,546,405,353,542,501,888 - Step 5: Solve for x
x = 2,546,405,353,542,501,888/1,838,795,165.28 - Step 6: Final answer
x = 1,384,822,736.99
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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.