Finding the Fourth Proportional to 8,497,620,538.40, 11,726,752,800.36 and 4,635,240,312.61
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Solution
The fourth proportional to 8,497,620,538.40, 11,726,752,800.36 and 4,635,240,312.61 is: 6,396,651,517.99
Step by Step Solution
- Step 1: Write the proportion equation
8,497,620,538.40 : 11,726,752,800.36 = 4,635,240,312.61 : x - Step 2: Convert to fraction form
8,497,620,538.40/11,726,752,800.36 = 4,635,240,312.61/x - Step 3: Cross multiply
8,497,620,538.40x = 11,726,752,800.36 × 4,635,240,312.61 - Step 4: Simplify right side
8,497,620,538.40x = 54,356,317,316,273,496,064 - Step 5: Solve for x
x = 54,356,317,316,273,496,064/8,497,620,538.40 - Step 6: Final answer
x = 6,396,651,517.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.