Finding the Fourth Proportional to 264,967,415.20, 397,451,122.80 and 247,961,303.20
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Solution
The fourth proportional to 264,967,415.20, 397,451,122.80 and 247,961,303.20 is: 371,941,954.80
Step by Step Solution
- Step 1: Write the proportion equation
264,967,415.20 : 397,451,122.80 = 247,961,303.20 : x - Step 2: Convert to fraction form
264,967,415.20/397,451,122.80 = 247,961,303.20/x - Step 3: Cross multiply
264,967,415.20x = 397,451,122.80 × 247,961,303.20 - Step 4: Simplify right side
264,967,415.20x = 98,552,498,367,791,232 - Step 5: Solve for x
x = 98,552,498,367,791,232/264,967,415.20 - Step 6: Final answer
x = 371,941,954.80
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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.