Finding the Fourth Proportional to 1,393,824,889.17, 2,090,806,806.29 and 397,993,616.93
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Solution
The fourth proportional to 1,393,824,889.17, 2,090,806,806.29 and 397,993,616.93 is: 597,010,262.63
Step by Step Solution
- Step 1: Write the proportion equation
1,393,824,889.17 : 2,090,806,806.29 = 397,993,616.93 : x - Step 2: Convert to fraction form
1,393,824,889.17/2,090,806,806.29 = 397,993,616.93/x - Step 3: Cross multiply
1,393,824,889.17x = 2,090,806,806.29 × 397,993,616.93 - Step 4: Simplify right side
1,393,824,889.17x = 832,127,763,137,218,944 - Step 5: Solve for x
x = 832,127,763,137,218,944/1,393,824,889.17 - Step 6: Final answer
x = 597,010,262.63
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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.