Finding the Fourth Proportional to 4,540,991,632.80, 6,811,487,449.20 and 4,464,464,128.80
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Solution
The fourth proportional to 4,540,991,632.80, 6,811,487,449.20 and 4,464,464,128.80 is: 6,696,696,193.20
Step by Step Solution
- Step 1: Write the proportion equation
4,540,991,632.80 : 6,811,487,449.20 = 4,464,464,128.80 : x - Step 2: Convert to fraction form
4,540,991,632.80/6,811,487,449.20 = 4,464,464,128.80/x - Step 3: Cross multiply
4,540,991,632.80x = 6,811,487,449.20 × 4,464,464,128.80 - Step 4: Simplify right side
4,540,991,632.80x = 30,409,641,380,724,813,824 - Step 5: Solve for x
x = 30,409,641,380,724,813,824/4,540,991,632.80 - Step 6: Final answer
x = 6,696,696,193.20
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Double scale
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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.