Finding the Fourth Proportional to 2,125,824,997.60, 3,188,737,496.40 and 1,935,356,543.20
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Solution
The fourth proportional to 2,125,824,997.60, 3,188,737,496.40 and 1,935,356,543.20 is: 2,903,034,814.80
Step by Step Solution
- Step 1: Write the proportion equation
2,125,824,997.60 : 3,188,737,496.40 = 1,935,356,543.20 : x - Step 2: Convert to fraction form
2,125,824,997.60/3,188,737,496.40 = 1,935,356,543.20/x - Step 3: Cross multiply
2,125,824,997.60x = 3,188,737,496.40 × 1,935,356,543.20 - Step 4: Simplify right side
2,125,824,997.60x = 6,171,343,978,204,926,976 - Step 5: Solve for x
x = 6,171,343,978,204,926,976/2,125,824,997.60 - Step 6: Final answer
x = 2,903,034,814.80
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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.