Finding the Fourth Proportional to 285,892,579.84, 427,756,686.16 and 169,370,474.92
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Solution
The fourth proportional to 285,892,579.84, 427,756,686.16 and 169,370,474.92 is: 253,414,597.63
Step by Step Solution
- Step 1: Write the proportion equation
285,892,579.84 : 427,756,686.16 = 169,370,474.92 : x - Step 2: Convert to fraction form
285,892,579.84/427,756,686.16 = 169,370,474.92/x - Step 3: Cross multiply
285,892,579.84x = 427,756,686.16 × 169,370,474.92 - Step 4: Simplify right side
285,892,579.84x = 72,449,353,085,124,592 - Step 5: Solve for x
x = 72,449,353,085,124,592/285,892,579.84 - Step 6: Final answer
x = 253,414,597.63
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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.