Finding the Fourth Proportional to 962,369,578.08, 1,328,071,000.68 and 522,336,520.80
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Solution
The fourth proportional to 962,369,578.08, 1,328,071,000.68 and 522,336,520.80 is: 720,824,932.20
Step by Step Solution
- Step 1: Write the proportion equation
962,369,578.08 : 1,328,071,000.68 = 522,336,520.80 : x - Step 2: Convert to fraction form
962,369,578.08/1,328,071,000.68 = 522,336,520.80/x - Step 3: Cross multiply
962,369,578.08x = 1,328,071,000.68 × 522,336,520.80 - Step 4: Simplify right side
962,369,578.08x = 693,699,985,870,565,632 - Step 5: Solve for x
x = 693,699,985,870,565,632/962,369,578.08 - Step 6: Final answer
x = 720,824,932.20
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.