Finding the Fourth Proportional to 299,441,656.80, 449,162,485.20 and 255,603,679.20
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Solution
The fourth proportional to 299,441,656.80, 449,162,485.20 and 255,603,679.20 is: 383,405,518.80
Step by Step Solution
- Step 1: Write the proportion equation
299,441,656.80 : 449,162,485.20 = 255,603,679.20 : x - Step 2: Convert to fraction form
299,441,656.80/449,162,485.20 = 255,603,679.20/x - Step 3: Cross multiply
299,441,656.80x = 449,162,485.20 × 255,603,679.20 - Step 4: Simplify right side
299,441,656.80x = 114,807,583,775,735,536 - Step 5: Solve for x
x = 114,807,583,775,735,536/299,441,656.80 - Step 6: Final answer
x = 383,405,518.80
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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.