Finding the Fourth Proportional to 4,137,926,485.40, 6,206,889,728.10 and 3,688,965,128.60
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Solution
The fourth proportional to 4,137,926,485.40, 6,206,889,728.10 and 3,688,965,128.60 is: 5,533,447,692.90
Step by Step Solution
- Step 1: Write the proportion equation
4,137,926,485.40 : 6,206,889,728.10 = 3,688,965,128.60 : x - Step 2: Convert to fraction form
4,137,926,485.40/6,206,889,728.10 = 3,688,965,128.60/x - Step 3: Cross multiply
4,137,926,485.40x = 6,206,889,728.10 × 3,688,965,128.60 - Step 4: Simplify right side
4,137,926,485.40x = 22,896,999,764,026,437,632 - Step 5: Solve for x
x = 22,896,999,764,026,437,632/4,137,926,485.40 - Step 6: Final answer
x = 5,533,447,692.90
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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.