Finding the Fourth Proportional to 4,251,523,627.20, 6,377,285,440.80 and 1,187,904,043.20
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Solution
The fourth proportional to 4,251,523,627.20, 6,377,285,440.80 and 1,187,904,043.20 is: 1,781,856,064.80
Step by Step Solution
- Step 1: Write the proportion equation
4,251,523,627.20 : 6,377,285,440.80 = 1,187,904,043.20 : x - Step 2: Convert to fraction form
4,251,523,627.20/6,377,285,440.80 = 1,187,904,043.20/x - Step 3: Cross multiply
4,251,523,627.20x = 6,377,285,440.80 × 1,187,904,043.20 - Step 4: Simplify right side
4,251,523,627.20x = 7,575,603,159,766,814,720 - Step 5: Solve for x
x = 7,575,603,159,766,814,720/4,251,523,627.20 - Step 6: Final answer
x = 1,781,856,064.80
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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.