Finding the Fourth Proportional to 295,236,495.20, 442,854,742.80 and 295,236,495.20
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Solution
The fourth proportional to 295,236,495.20, 442,854,742.80 and 295,236,495.20 is: 442,854,742.80
Step by Step Solution
- Step 1: Write the proportion equation
295,236,495.20 : 442,854,742.80 = 295,236,495.20 : x - Step 2: Convert to fraction form
295,236,495.20/442,854,742.80 = 295,236,495.20/x - Step 3: Cross multiply
295,236,495.20x = 442,854,742.80 × 295,236,495.20 - Step 4: Simplify right side
295,236,495.20x = 130,746,882,146,969,440 - Step 5: Solve for x
x = 130,746,882,146,969,440/295,236,495.20 - Step 6: Final answer
x = 442,854,742.80
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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.