Finding the Fourth Proportional to 1,975,809,492.99, 2,727,227,646.81 and 1,270,961,473.49
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Solution
The fourth proportional to 1,975,809,492.99, 2,727,227,646.81 and 1,270,961,473.49 is: 1,754,319,574.24
Step by Step Solution
- Step 1: Write the proportion equation
1,975,809,492.99 : 2,727,227,646.81 = 1,270,961,473.49 : x - Step 2: Convert to fraction form
1,975,809,492.99/2,727,227,646.81 = 1,270,961,473.49/x - Step 3: Cross multiply
1,975,809,492.99x = 2,727,227,646.81 × 1,270,961,473.49 - Step 4: Simplify right side
1,975,809,492.99x = 3,466,201,268,512,311,296 - Step 5: Solve for x
x = 3,466,201,268,512,311,296/1,975,809,492.99 - Step 6: Final answer
x = 1,754,319,574.24
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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.