Finding the Fourth Proportional to 331,736,202.80, 497,604,304.20 and 211,102,449.20
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Solution
The fourth proportional to 331,736,202.80, 497,604,304.20 and 211,102,449.20 is: 316,653,673.80
Step by Step Solution
- Step 1: Write the proportion equation
331,736,202.80 : 497,604,304.20 = 211,102,449.20 : x - Step 2: Convert to fraction form
331,736,202.80/497,604,304.20 = 211,102,449.20/x - Step 3: Cross multiply
331,736,202.80x = 497,604,304.20 × 211,102,449.20 - Step 4: Simplify right side
331,736,202.80x = 105,045,487,349,081,840 - Step 5: Solve for x
x = 105,045,487,349,081,840/331,736,202.80 - Step 6: Final answer
x = 316,653,673.80
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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.