Finding the Fourth Proportional to 665,913,152.56, 998,965,437.42 and 205,887,194.14
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Solution
The fourth proportional to 665,913,152.56, 998,965,437.42 and 205,887,194.14 is: 308,860,382.41
Step by Step Solution
- Step 1: Write the proportion equation
665,913,152.56 : 998,965,437.42 = 205,887,194.14 : x - Step 2: Convert to fraction form
665,913,152.56/998,965,437.42 = 205,887,194.14/x - Step 3: Cross multiply
665,913,152.56x = 998,965,437.42 × 205,887,194.14 - Step 4: Simplify right side
665,913,152.56x = 205,674,190,953,241,536 - Step 5: Solve for x
x = 205,674,190,953,241,536/665,913,152.56 - Step 6: Final answer
x = 308,860,382.41
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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.