Finding the Fourth Proportional to 453,480,192.30, 680,286,643.65 and 146,720,102.70
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Solution
The fourth proportional to 453,480,192.30, 680,286,643.65 and 146,720,102.70 is: 220,101,622.78
Step by Step Solution
- Step 1: Write the proportion equation
453,480,192.30 : 680,286,643.65 = 146,720,102.70 : x - Step 2: Convert to fraction form
453,480,192.30/680,286,643.65 = 146,720,102.70/x - Step 3: Cross multiply
453,480,192.30x = 680,286,643.65 × 146,720,102.70 - Step 4: Simplify right side
453,480,192.30x = 99,811,726,221,766,288 - Step 5: Solve for x
x = 99,811,726,221,766,288/453,480,192.30 - Step 6: Final answer
x = 220,101,622.78
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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.