Finding the Fourth Proportional to 117,625,621,882.30, 176,438,432,823.45 and 29,293,750,390.30
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Solution
The fourth proportional to 117,625,621,882.30, 176,438,432,823.45 and 29,293,750,390.30 is: 43,940,625,585.45
Step by Step Solution
- Step 1: Write the proportion equation
117,625,621,882.30 : 176,438,432,823.45 = 29,293,750,390.30 : x - Step 2: Convert to fraction form
117,625,621,882.30/176,438,432,823.45 = 29,293,750,390.30/x - Step 3: Cross multiply
117,625,621,882.30x = 176,438,432,823.45 × 29,293,750,390.30 - Step 4: Simplify right side
117,625,621,882.30x = 5,168,543,410,385,858,854,912 - Step 5: Solve for x
x = 5,168,543,410,385,858,854,912/117,625,621,882.30 - Step 6: Final answer
x = 43,940,625,585.45
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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.