Finding the Fourth Proportional to 408,621,329.16, 563,909,342.99 and 222,994,301.46
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Solution
The fourth proportional to 408,621,329.16, 563,909,342.99 and 222,994,301.46 is: 307,738,634.90
Step by Step Solution
- Step 1: Write the proportion equation
408,621,329.16 : 563,909,342.99 = 222,994,301.46 : x - Step 2: Convert to fraction form
408,621,329.16/563,909,342.99 = 222,994,301.46/x - Step 3: Cross multiply
408,621,329.16x = 563,909,342.99 × 222,994,301.46 - Step 4: Simplify right side
408,621,329.16x = 125,748,570,025,707,632 - Step 5: Solve for x
x = 125,748,570,025,707,632/408,621,329.16 - Step 6: Final answer
x = 307,738,634.90
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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.