Finding the Fourth Proportional to 5,626,728,549.36, 8,441,378,430.12 and 1,946,230,798.32
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Solution
The fourth proportional to 5,626,728,549.36, 8,441,378,430.12 and 1,946,230,798.32 is: 2,919,790,876.15
Step by Step Solution
- Step 1: Write the proportion equation
5,626,728,549.36 : 8,441,378,430.12 = 1,946,230,798.32 : x - Step 2: Convert to fraction form
5,626,728,549.36/8,441,378,430.12 = 1,946,230,798.32/x - Step 3: Cross multiply
5,626,728,549.36x = 8,441,378,430.12 × 1,946,230,798.32 - Step 4: Simplify right side
5,626,728,549.36x = 16,428,870,680,973,674,496 - Step 5: Solve for x
x = 16,428,870,680,973,674,496/5,626,728,549.36 - Step 6: Final answer
x = 2,919,790,876.15
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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.