Finding the Fourth Proportional to 1,107,104,405.10, 1,527,806,817.41 and 605,345,602.38
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Solution
The fourth proportional to 1,107,104,405.10, 1,527,806,817.41 and 605,345,602.38 is: 835,378,428.58
Step by Step Solution
- Step 1: Write the proportion equation
1,107,104,405.10 : 1,527,806,817.41 = 605,345,602.38 : x - Step 2: Convert to fraction form
1,107,104,405.10/1,527,806,817.41 = 605,345,602.38/x - Step 3: Cross multiply
1,107,104,405.10x = 1,527,806,817.41 × 605,345,602.38 - Step 4: Simplify right side
1,107,104,405.10x = 924,851,138,202,300,416 - Step 5: Solve for x
x = 924,851,138,202,300,416/1,107,104,405.10 - Step 6: Final answer
x = 835,378,428.58
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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.