Finding the Fourth Proportional to 449,295,165.21, 620,088,921.95 and 258,552,262.83
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Solution
The fourth proportional to 449,295,165.21, 620,088,921.95 and 258,552,262.83 is: 356,837,567.68
Step by Step Solution
- Step 1: Write the proportion equation
449,295,165.21 : 620,088,921.95 = 258,552,262.83 : x - Step 2: Convert to fraction form
449,295,165.21/620,088,921.95 = 258,552,262.83/x - Step 3: Cross multiply
449,295,165.21x = 620,088,921.95 × 258,552,262.83 - Step 4: Simplify right side
449,295,165.21x = 160,325,393,924,695,008 - Step 5: Solve for x
x = 160,325,393,924,695,008/449,295,165.21 - Step 6: Final answer
x = 356,837,567.68
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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.