Finding the Fourth Proportional to 336,909,817.21, 505,364,048.11 and 316,407,795.31
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Solution
The fourth proportional to 336,909,817.21, 505,364,048.11 and 316,407,795.31 is: 474,611,056.50
Step by Step Solution
- Step 1: Write the proportion equation
336,909,817.21 : 505,364,048.11 = 316,407,795.31 : x - Step 2: Convert to fraction form
336,909,817.21/505,364,048.11 = 316,407,795.31/x - Step 3: Cross multiply
336,909,817.21x = 505,364,048.11 × 316,407,795.31 - Step 4: Simplify right side
336,909,817.21x = 159,901,124,290,553,984 - Step 5: Solve for x
x = 159,901,124,290,553,984/336,909,817.21 - Step 6: Final answer
x = 474,611,056.50
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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.