Finding the Fourth Proportional to 1,639,602,549.40, 2,459,403,824.10 and 1,481,445,707.80
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Solution
The fourth proportional to 1,639,602,549.40, 2,459,403,824.10 and 1,481,445,707.80 is: 2,222,168,561.70
Step by Step Solution
- Step 1: Write the proportion equation
1,639,602,549.40 : 2,459,403,824.10 = 1,481,445,707.80 : x - Step 2: Convert to fraction form
1,639,602,549.40/2,459,403,824.10 = 1,481,445,707.80/x - Step 3: Cross multiply
1,639,602,549.40x = 2,459,403,824.10 × 1,481,445,707.80 - Step 4: Simplify right side
1,639,602,549.40x = 3,643,473,238,959,851,008 - Step 5: Solve for x
x = 3,643,473,238,959,851,008/1,639,602,549.40 - Step 6: Final answer
x = 2,222,168,561.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.