Finding the Fourth Proportional to 4,137,926,515.40, 6,206,889,773.10 and 3,688,965,158.60
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Solution
The fourth proportional to 4,137,926,515.40, 6,206,889,773.10 and 3,688,965,158.60 is: 5,533,447,737.90
Step by Step Solution
- Step 1: Write the proportion equation
4,137,926,515.40 : 6,206,889,773.10 = 3,688,965,158.60 : x - Step 2: Convert to fraction form
4,137,926,515.40/6,206,889,773.10 = 3,688,965,158.60/x - Step 3: Cross multiply
4,137,926,515.40x = 6,206,889,773.10 × 3,688,965,158.60 - Step 4: Simplify right side
4,137,926,515.40x = 22,897,000,116,236,558,336 - Step 5: Solve for x
x = 22,897,000,116,236,558,336/4,137,926,515.40 - Step 6: Final answer
x = 5,533,447,737.90
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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.