Finding the Fourth Proportional to 3,540,379,237.74, 5,307,950,803.62 and 2,141,052,415.31
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Solution
The fourth proportional to 3,540,379,237.74, 5,307,950,803.62 and 2,141,052,415.31 is: 3,209,995,349.45
Step by Step Solution
- Step 1: Write the proportion equation
3,540,379,237.74 : 5,307,950,803.62 = 2,141,052,415.31 : x - Step 2: Convert to fraction form
3,540,379,237.74/5,307,950,803.62 = 2,141,052,415.31/x - Step 3: Cross multiply
3,540,379,237.74x = 5,307,950,803.62 × 2,141,052,415.31 - Step 4: Simplify right side
3,540,379,237.74x = 11,364,600,888,437,256,192 - Step 5: Solve for x
x = 11,364,600,888,437,256,192/3,540,379,237.74 - Step 6: Final answer
x = 3,209,995,349.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.