Finding the Fourth Proportional to 5,492,470,014.88, 7,579,555,152.18 and 2,986,343,726.56
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Solution
The fourth proportional to 5,492,470,014.88, 7,579,555,152.18 and 2,986,343,726.56 is: 4,121,125,271.05
Step by Step Solution
- Step 1: Write the proportion equation
5,492,470,014.88 : 7,579,555,152.18 = 2,986,343,726.56 : x - Step 2: Convert to fraction form
5,492,470,014.88/7,579,555,152.18 = 2,986,343,726.56/x - Step 3: Cross multiply
5,492,470,014.88x = 7,579,555,152.18 × 2,986,343,726.56 - Step 4: Simplify right side
5,492,470,014.88x = 22,635,156,978,828,271,616 - Step 5: Solve for x
x = 22,635,156,978,828,271,616/5,492,470,014.88 - Step 6: Final answer
x = 4,121,125,271.05
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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.