Finding the Fourth Proportional to 472,392,523.80, 708,588,785.70 and 472,392,523.80
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Solution
The fourth proportional to 472,392,523.80, 708,588,785.70 and 472,392,523.80 is: 708,588,785.70
Step by Step Solution
- Step 1: Write the proportion equation
472,392,523.80 : 708,588,785.70 = 472,392,523.80 : x - Step 2: Convert to fraction form
472,392,523.80/708,588,785.70 = 472,392,523.80/x - Step 3: Cross multiply
472,392,523.80x = 708,588,785.70 × 472,392,523.80 - Step 4: Simplify right side
472,392,523.80x = 334,732,044,813,200,384 - Step 5: Solve for x
x = 334,732,044,813,200,384/472,392,523.80 - Step 6: Final answer
x = 708,588,785.70
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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.