Finding the Fourth Proportional to 586,804,930.20, 880,207,395.30 and 177,807,936.60
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Solution
The fourth proportional to 586,804,930.20, 880,207,395.30 and 177,807,936.60 is: 266,711,904.90
Step by Step Solution
- Step 1: Write the proportion equation
586,804,930.20 : 880,207,395.30 = 177,807,936.60 : x - Step 2: Convert to fraction form
586,804,930.20/880,207,395.30 = 177,807,936.60/x - Step 3: Cross multiply
586,804,930.20x = 880,207,395.30 × 177,807,936.60 - Step 4: Simplify right side
586,804,930.20x = 156,507,860,738,353,536 - Step 5: Solve for x
x = 156,507,860,738,353,536/586,804,930.20 - Step 6: Final answer
x = 266,711,904.90
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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.