Finding the Fourth Proportional to 247,482,743.12, 371,221,750.68 and 150,465,236.24
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Solution
The fourth proportional to 247,482,743.12, 371,221,750.68 and 150,465,236.24 is: 225,696,417.09
Step by Step Solution
- Step 1: Write the proportion equation
247,482,743.12 : 371,221,750.68 = 150,465,236.24 : x - Step 2: Convert to fraction form
247,482,743.12/371,221,750.68 = 150,465,236.24/x - Step 3: Cross multiply
247,482,743.12x = 371,221,750.68 × 150,465,236.24 - Step 4: Simplify right side
247,482,743.12x = 55,855,968,413,492,584 - Step 5: Solve for x
x = 55,855,968,413,492,584/247,482,743.12 - Step 6: Final answer
x = 225,696,417.09
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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.