Finding the Fourth Proportional to 485,057,329.70, 727,592,215.35 and 161,941,201.70
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Solution
The fourth proportional to 485,057,329.70, 727,592,215.35 and 161,941,201.70 is: 242,913,879.43
Step by Step Solution
- Step 1: Write the proportion equation
485,057,329.70 : 727,592,215.35 = 161,941,201.70 : x - Step 2: Convert to fraction form
485,057,329.70/727,592,215.35 = 161,941,201.70/x - Step 3: Cross multiply
485,057,329.70x = 727,592,215.35 × 161,941,201.70 - Step 4: Simplify right side
485,057,329.70x = 117,827,157,701,344,176 - Step 5: Solve for x
x = 117,827,157,701,344,176/485,057,329.70 - Step 6: Final answer
x = 242,913,879.43
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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.