Finding the Fourth Proportional to 693,920,027.68, 957,600,709.85 and 396,558,859.14
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Solution
The fourth proportional to 693,920,027.68, 957,600,709.85 and 396,558,859.14 is: 547,246,123.28
Step by Step Solution
- Step 1: Write the proportion equation
693,920,027.68 : 957,600,709.85 = 396,558,859.14 : x - Step 2: Convert to fraction form
693,920,027.68/957,600,709.85 = 396,558,859.14/x - Step 3: Cross multiply
693,920,027.68x = 957,600,709.85 × 396,558,859.14 - Step 4: Simplify right side
693,920,027.68x = 379,745,045,010,761,536 - Step 5: Solve for x
x = 379,745,045,010,761,536/693,920,027.68 - Step 6: Final answer
x = 547,246,123.28
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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.