Finding the Fourth Proportional to 1,659,611,163.60, 2,489,416,745.40 and 1,564,376,936.40
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Solution
The fourth proportional to 1,659,611,163.60, 2,489,416,745.40 and 1,564,376,936.40 is: 2,346,565,404.60
Step by Step Solution
- Step 1: Write the proportion equation
1,659,611,163.60 : 2,489,416,745.40 = 1,564,376,936.40 : x - Step 2: Convert to fraction form
1,659,611,163.60/2,489,416,745.40 = 1,564,376,936.40/x - Step 3: Cross multiply
1,659,611,163.60x = 2,489,416,745.40 × 1,564,376,936.40 - Step 4: Simplify right side
1,659,611,163.60x = 3,894,386,141,591,711,232 - Step 5: Solve for x
x = 3,894,386,141,591,711,232/1,659,611,163.60 - Step 6: Final answer
x = 2,346,565,404.60
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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.