Finding the Fourth Proportional to 2,199,951,204.40, 3,299,926,806.60 and 1,326,102,768.10
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Solution
The fourth proportional to 2,199,951,204.40, 3,299,926,806.60 and 1,326,102,768.10 is: 1,989,154,152.15
Step by Step Solution
- Step 1: Write the proportion equation
2,199,951,204.40 : 3,299,926,806.60 = 1,326,102,768.10 : x - Step 2: Convert to fraction form
2,199,951,204.40/3,299,926,806.60 = 1,326,102,768.10/x - Step 3: Cross multiply
2,199,951,204.40x = 3,299,926,806.60 × 1,326,102,768.10 - Step 4: Simplify right side
2,199,951,204.40x = 4,376,042,072,759,652,864 - Step 5: Solve for x
x = 4,376,042,072,759,652,864/2,199,951,204.40 - Step 6: Final answer
x = 1,989,154,152.15
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1.5x scale
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.