Finding the Fourth Proportional to 535,960,116.84, 739,630,162.70 and 309,882,126.09
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Solution
The fourth proportional to 535,960,116.84, 739,630,162.70 and 309,882,126.09 is: 427,640,341.39
Step by Step Solution
- Step 1: Write the proportion equation
535,960,116.84 : 739,630,162.70 = 309,882,126.09 : x - Step 2: Convert to fraction form
535,960,116.84/739,630,162.70 = 309,882,126.09/x - Step 3: Cross multiply
535,960,116.84x = 739,630,162.70 × 309,882,126.09 - Step 4: Simplify right side
535,960,116.84x = 229,198,167,336,219,200 - Step 5: Solve for x
x = 229,198,167,336,219,200/535,960,116.84 - Step 6: Final answer
x = 427,640,341.39
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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.