Finding the Fourth Proportional to 4,251,523,620.20, 6,377,285,430.30 and 1,187,904,036.20
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Solution
The fourth proportional to 4,251,523,620.20, 6,377,285,430.30 and 1,187,904,036.20 is: 1,781,856,054.30
Step by Step Solution
- Step 1: Write the proportion equation
4,251,523,620.20 : 6,377,285,430.30 = 1,187,904,036.20 : x - Step 2: Convert to fraction form
4,251,523,620.20/6,377,285,430.30 = 1,187,904,036.20/x - Step 3: Cross multiply
4,251,523,620.20x = 6,377,285,430.30 × 1,187,904,036.20 - Step 4: Simplify right side
4,251,523,620.20x = 7,575,603,102,652,824,576 - Step 5: Solve for x
x = 7,575,603,102,652,824,576/4,251,523,620.20 - Step 6: Final answer
x = 1,781,856,054.30
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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.