Finding the Fourth Proportional to 1,518,251,484.28, 2,277,477,153.68 and 397,802,578.04
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Solution
The fourth proportional to 1,518,251,484.28, 2,277,477,153.68 and 397,802,578.04 is: 596,730,049.36
Step by Step Solution
- Step 1: Write the proportion equation
1,518,251,484.28 : 2,277,477,153.68 = 397,802,578.04 : x - Step 2: Convert to fraction form
1,518,251,484.28/2,277,477,153.68 = 397,802,578.04/x - Step 3: Cross multiply
1,518,251,484.28x = 2,277,477,153.68 × 397,802,578.04 - Step 4: Simplify right side
1,518,251,484.28x = 905,986,283,161,105,280 - Step 5: Solve for x
x = 905,986,283,161,105,280/1,518,251,484.28 - Step 6: Final answer
x = 596,730,049.36
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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.