Finding the Fourth Proportional to 644,863,596.40, 965,877,551.92 and 532,930,705.68
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Solution
The fourth proportional to 644,863,596.40, 965,877,551.92 and 532,930,705.68 is: 798,224,319.40
Step by Step Solution
- Step 1: Write the proportion equation
644,863,596.40 : 965,877,551.92 = 532,930,705.68 : x - Step 2: Convert to fraction form
644,863,596.40/965,877,551.92 = 532,930,705.68/x - Step 3: Cross multiply
644,863,596.40x = 965,877,551.92 × 532,930,705.68 - Step 4: Simplify right side
644,863,596.40x = 514,745,805,345,196,416 - Step 5: Solve for x
x = 514,745,805,345,196,416/644,863,596.40 - Step 6: Final answer
x = 798,224,319.40
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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.