Finding the Fourth Proportional to 329,293,281.09, 493,942,615.29 and 107,961,390.62
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Solution
The fourth proportional to 329,293,281.09, 493,942,615.29 and 107,961,390.62 is: 161,942,969.06
Step by Step Solution
- Step 1: Write the proportion equation
329,293,281.09 : 493,942,615.29 = 107,961,390.62 : x - Step 2: Convert to fraction form
329,293,281.09/493,942,615.29 = 107,961,390.62/x - Step 3: Cross multiply
329,293,281.09x = 493,942,615.29 × 107,961,390.62 - Step 4: Simplify right side
329,293,281.09x = 53,326,731,630,718,360 - Step 5: Solve for x
x = 53,326,731,630,718,360/329,293,281.09 - Step 6: Final answer
x = 161,942,969.06
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1.5x scale
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.