Finding the Fourth Proportional to 299,381,311.80, 449,533,862.10 and 163,332,415.80
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Solution
The fourth proportional to 299,381,311.80, 449,533,862.10 and 163,332,415.80 is: 245,250,617.81
Step by Step Solution
- Step 1: Write the proportion equation
299,381,311.80 : 449,533,862.10 = 163,332,415.80 : x - Step 2: Convert to fraction form
299,381,311.80/449,533,862.10 = 163,332,415.80/x - Step 3: Cross multiply
299,381,311.80x = 449,533,862.10 × 163,332,415.80 - Step 4: Simplify right side
299,381,311.80x = 73,423,451,680,697,072 - Step 5: Solve for x
x = 73,423,451,680,697,072/299,381,311.80 - Step 6: Final answer
x = 245,250,617.81
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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.