Finding the Fourth Proportional to 524,880,934.90, 787,321,402.35 and 161,328,051.70
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Solution
The fourth proportional to 524,880,934.90, 787,321,402.35 and 161,328,051.70 is: 241,992,077.55
Step by Step Solution
- Step 1: Write the proportion equation
524,880,934.90 : 787,321,402.35 = 161,328,051.70 : x - Step 2: Convert to fraction form
524,880,934.90/787,321,402.35 = 161,328,051.70/x - Step 3: Cross multiply
524,880,934.90x = 787,321,402.35 × 161,328,051.70 - Step 4: Simplify right side
524,880,934.90x = 127,017,027,902,837,296 - Step 5: Solve for x
x = 127,017,027,902,837,296/524,880,934.90 - Step 6: Final answer
x = 241,992,077.55
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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.