Finding the Fourth Proportional to 3,431,527,835.31, 4,735,129,475.17 and 1,925,808,822.09
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Solution
The fourth proportional to 3,431,527,835.31, 4,735,129,475.17 and 1,925,808,822.09 is: 2,657,403,510.82
Step by Step Solution
- Step 1: Write the proportion equation
3,431,527,835.31 : 4,735,129,475.17 = 1,925,808,822.09 : x - Step 2: Convert to fraction form
3,431,527,835.31/4,735,129,475.17 = 1,925,808,822.09/x - Step 3: Cross multiply
3,431,527,835.31x = 4,735,129,475.17 × 1,925,808,822.09 - Step 4: Simplify right side
3,431,527,835.31x = 9,118,954,117,020,777,472 - Step 5: Solve for x
x = 9,118,954,117,020,777,472/3,431,527,835.31 - Step 6: Final answer
x = 2,657,403,510.82
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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.