Finding the Fourth Proportional to 2,617,314,390.05, 3,611,905,573.80 and 1,427,879,754.41
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Solution
The fourth proportional to 2,617,314,390.05, 3,611,905,573.80 and 1,427,879,754.41 is: 1,970,480,452.51
Step by Step Solution
- Step 1: Write the proportion equation
2,617,314,390.05 : 3,611,905,573.80 = 1,427,879,754.41 : x - Step 2: Convert to fraction form
2,617,314,390.05/3,611,905,573.80 = 1,427,879,754.41/x - Step 3: Cross multiply
2,617,314,390.05x = 3,611,905,573.80 × 1,427,879,754.41 - Step 4: Simplify right side
2,617,314,390.05x = 5,157,366,843,669,654,528 - Step 5: Solve for x
x = 5,157,366,843,669,654,528/2,617,314,390.05 - Step 6: Final answer
x = 1,970,480,452.51
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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.