Finding the Fourth Proportional to 3,431,527,834.31, 4,735,129,473.79 and 1,925,808,821.09
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Solution
The fourth proportional to 3,431,527,834.31, 4,735,129,473.79 and 1,925,808,821.09 is: 2,657,403,509.43
Step by Step Solution
- Step 1: Write the proportion equation
3,431,527,834.31 : 4,735,129,473.79 = 1,925,808,821.09 : x - Step 2: Convert to fraction form
3,431,527,834.31/4,735,129,473.79 = 1,925,808,821.09/x - Step 3: Cross multiply
3,431,527,834.31x = 4,735,129,473.79 × 1,925,808,821.09 - Step 4: Simplify right side
3,431,527,834.31x = 9,118,954,109,599,542,272 - Step 5: Solve for x
x = 9,118,954,109,599,542,272/3,431,527,834.31 - Step 6: Final answer
x = 2,657,403,509.43
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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.