Finding the Fourth Proportional to 2,242,392,908.74, 3,072,026,933.35 and 2,158,555,048.90
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Solution
The fourth proportional to 2,242,392,908.74, 3,072,026,933.35 and 2,158,555,048.90 is: 2,957,170,985.28
Step by Step Solution
- Step 1: Write the proportion equation
2,242,392,908.74 : 3,072,026,933.35 = 2,158,555,048.90 : x - Step 2: Convert to fraction form
2,242,392,908.74/3,072,026,933.35 = 2,158,555,048.90/x - Step 3: Cross multiply
2,242,392,908.74x = 3,072,026,933.35 × 2,158,555,048.90 - Step 4: Simplify right side
2,242,392,908.74x = 6,631,139,247,328,633,856 - Step 5: Solve for x
x = 6,631,139,247,328,633,856/2,242,392,908.74 - Step 6: Final answer
x = 2,957,170,985.28
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.