Finding the Fourth Proportional to 340,138,847.99, 469,406,474.83 and 191,469,562.31
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Solution
The fourth proportional to 340,138,847.99, 469,406,474.83 and 191,469,562.31 is: 264,236,363.51
Step by Step Solution
- Step 1: Write the proportion equation
340,138,847.99 : 469,406,474.83 = 191,469,562.31 : x - Step 2: Convert to fraction form
340,138,847.99/469,406,474.83 = 191,469,562.31/x - Step 3: Cross multiply
340,138,847.99x = 469,406,474.83 × 191,469,562.31 - Step 4: Simplify right side
340,138,847.99x = 89,877,052,282,592,992 - Step 5: Solve for x
x = 89,877,052,282,592,992/340,138,847.99 - Step 6: Final answer
x = 264,236,363.51
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.