Finding the Fourth Proportional to 299,563,322.20, 449,344,983.30 and 146,130,400.60
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Solution
The fourth proportional to 299,563,322.20, 449,344,983.30 and 146,130,400.60 is: 219,195,600.90
Step by Step Solution
- Step 1: Write the proportion equation
299,563,322.20 : 449,344,983.30 = 146,130,400.60 : x - Step 2: Convert to fraction form
299,563,322.20/449,344,983.30 = 146,130,400.60/x - Step 3: Cross multiply
299,563,322.20x = 449,344,983.30 × 146,130,400.60 - Step 4: Simplify right side
299,563,322.20x = 65,662,962,417,229,312 - Step 5: Solve for x
x = 65,662,962,417,229,312/299,563,322.20 - Step 6: Final answer
x = 219,195,600.90
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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.