Finding the Fourth Proportional to 5,616,724,809.60, 8,425,087,214.40 and 2,861,734,665.60
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Solution
The fourth proportional to 5,616,724,809.60, 8,425,087,214.40 and 2,861,734,665.60 is: 4,292,601,998.40
Step by Step Solution
- Step 1: Write the proportion equation
5,616,724,809.60 : 8,425,087,214.40 = 2,861,734,665.60 : x - Step 2: Convert to fraction form
5,616,724,809.60/8,425,087,214.40 = 2,861,734,665.60/x - Step 3: Cross multiply
5,616,724,809.60x = 8,425,087,214.40 × 2,861,734,665.60 - Step 4: Simplify right side
5,616,724,809.60x = 24,110,364,142,151,819,264 - Step 5: Solve for x
x = 24,110,364,142,151,819,264/5,616,724,809.60 - Step 6: Final answer
x = 4,292,601,998.40
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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.