Finding the Fourth Proportional to 8,676,864,412.40, 13,015,296,618.60 and 2,781,412,252.40
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Solution
The fourth proportional to 8,676,864,412.40, 13,015,296,618.60 and 2,781,412,252.40 is: 4,172,118,378.60
Step by Step Solution
- Step 1: Write the proportion equation
8,676,864,412.40 : 13,015,296,618.60 = 2,781,412,252.40 : x - Step 2: Convert to fraction form
8,676,864,412.40/13,015,296,618.60 = 2,781,412,252.40/x - Step 3: Cross multiply
8,676,864,412.40x = 13,015,296,618.60 × 2,781,412,252.40 - Step 4: Simplify right side
8,676,864,412.40x = 36,200,905,483,594,330,112 - Step 5: Solve for x
x = 36,200,905,483,594,330,112/8,676,864,412.40 - Step 6: Final answer
x = 4,172,118,378.60
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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.