Finding the Fourth Proportional to 339,183,632.70, 508,775,449.05 and 121,080,246.30
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Solution
The fourth proportional to 339,183,632.70, 508,775,449.05 and 121,080,246.30 is: 181,620,369.45
Step by Step Solution
- Step 1: Write the proportion equation
339,183,632.70 : 508,775,449.05 = 121,080,246.30 : x - Step 2: Convert to fraction form
339,183,632.70/508,775,449.05 = 121,080,246.30/x - Step 3: Cross multiply
339,183,632.70x = 508,775,449.05 × 121,080,246.30 - Step 4: Simplify right side
339,183,632.70x = 61,602,656,682,367,104 - Step 5: Solve for x
x = 61,602,656,682,367,104/339,183,632.70 - Step 6: Final answer
x = 181,620,369.45
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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.