Finding the Fourth Proportional to 1,856,541,250.96, 2,784,509,156.94 and 546,136,840.87
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Solution
The fourth proportional to 1,856,541,250.96, 2,784,509,156.94 and 546,136,840.87 is: 819,116,210.62
Step by Step Solution
- Step 1: Write the proportion equation
1,856,541,250.96 : 2,784,509,156.94 = 546,136,840.87 : x - Step 2: Convert to fraction form
1,856,541,250.96/2,784,509,156.94 = 546,136,840.87/x - Step 3: Cross multiply
1,856,541,250.96x = 2,784,509,156.94 × 546,136,840.87 - Step 4: Simplify right side
1,856,541,250.96x = 1,520,723,034,344,798,720 - Step 5: Solve for x
x = 1,520,723,034,344,798,720/1,856,541,250.96 - Step 6: Final answer
x = 819,116,210.62
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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.