Finding the Fourth Proportional to 1,992,898,384.80, 2,989,347,577.20 and 957,509,599.20
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Solution
The fourth proportional to 1,992,898,384.80, 2,989,347,577.20 and 957,509,599.20 is: 1,436,264,398.80
Step by Step Solution
- Step 1: Write the proportion equation
1,992,898,384.80 : 2,989,347,577.20 = 957,509,599.20 : x - Step 2: Convert to fraction form
1,992,898,384.80/2,989,347,577.20 = 957,509,599.20/x - Step 3: Cross multiply
1,992,898,384.80x = 2,989,347,577.20 × 957,509,599.20 - Step 4: Simplify right side
1,992,898,384.80x = 2,862,329,000,514,263,040 - Step 5: Solve for x
x = 2,862,329,000,514,263,040/1,992,898,384.80 - Step 6: Final answer
x = 1,436,264,398.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.