Finding the Fourth Proportional to 913,629,163.94, 1,370,281,748.84 and 415,523,006.94
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Solution
The fourth proportional to 913,629,163.94, 1,370,281,748.84 and 415,523,006.94 is: 623,210,833.34
Step by Step Solution
- Step 1: Write the proportion equation
913,629,163.94 : 1,370,281,748.84 = 415,523,006.94 : x - Step 2: Convert to fraction form
913,629,163.94/1,370,281,748.84 = 415,523,006.94/x - Step 3: Cross multiply
913,629,163.94x = 1,370,281,748.84 × 415,523,006.94 - Step 4: Simplify right side
913,629,163.94x = 569,383,592,627,250,560 - Step 5: Solve for x
x = 569,383,592,627,250,560/913,629,163.94 - Step 6: Final answer
x = 623,210,833.34
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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.