Finding the Fourth Proportional to 450,583,891.92, 676,160,147.88 and 191,798,689.68
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Solution
The fourth proportional to 450,583,891.92, 676,160,147.88 and 191,798,689.68 is: 287,819,055.90
Step by Step Solution
- Step 1: Write the proportion equation
450,583,891.92 : 676,160,147.88 = 191,798,689.68 : x - Step 2: Convert to fraction form
450,583,891.92/676,160,147.88 = 191,798,689.68/x - Step 3: Cross multiply
450,583,891.92x = 676,160,147.88 × 191,798,689.68 - Step 4: Simplify right side
450,583,891.92x = 129,686,630,377,219,040 - Step 5: Solve for x
x = 129,686,630,377,219,040/450,583,891.92 - Step 6: Final answer
x = 287,819,055.90
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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.