Finding the Fourth Proportional to 343,649,776.21, 474,336,622.69 and 224,590,278.96
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Solution
The fourth proportional to 343,649,776.21, 474,336,622.69 and 224,590,278.96 is: 309,999,894.62
Step by Step Solution
- Step 1: Write the proportion equation
343,649,776.21 : 474,336,622.69 = 224,590,278.96 : x - Step 2: Convert to fraction form
343,649,776.21/474,336,622.69 = 224,590,278.96/x - Step 3: Cross multiply
343,649,776.21x = 474,336,622.69 × 224,590,278.96 - Step 4: Simplify right side
343,649,776.21x = 106,531,394,410,329,888 - Step 5: Solve for x
x = 106,531,394,410,329,888/343,649,776.21 - Step 6: Final answer
x = 309,999,894.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.