Finding the Fourth Proportional to 508,965,366.60, 763,448,049.90 and 250,685,040.60
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Solution
The fourth proportional to 508,965,366.60, 763,448,049.90 and 250,685,040.60 is: 376,027,560.90
Step by Step Solution
- Step 1: Write the proportion equation
508,965,366.60 : 763,448,049.90 = 250,685,040.60 : x - Step 2: Convert to fraction form
508,965,366.60/763,448,049.90 = 250,685,040.60/x - Step 3: Cross multiply
508,965,366.60x = 763,448,049.90 × 250,685,040.60 - Step 4: Simplify right side
508,965,366.60x = 191,385,005,385,172,320 - Step 5: Solve for x
x = 191,385,005,385,172,320/508,965,366.60 - Step 6: Final answer
x = 376,027,560.90
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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.