Finding the Fourth Proportional to 493,639,330.08, 740,448,621.11 and 120,149,299.85
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Solution
The fourth proportional to 493,639,330.08, 740,448,621.11 and 120,149,299.85 is: 180,221,424.79
Step by Step Solution
- Step 1: Write the proportion equation
493,639,330.08 : 740,448,621.11 = 120,149,299.85 : x - Step 2: Convert to fraction form
493,639,330.08/740,448,621.11 = 120,149,299.85/x - Step 3: Cross multiply
493,639,330.08x = 740,448,621.11 × 120,149,299.85 - Step 4: Simplify right side
493,639,330.08x = 88,964,383,397,862,560 - Step 5: Solve for x
x = 88,964,383,397,862,560/493,639,330.08 - Step 6: Final answer
x = 180,221,424.79
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1.5x scale
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.