Finding the Fourth Proportional to 9,877,552,899.11, 14,819,239,873.80 and 3,979,076,839.82
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Solution
The fourth proportional to 9,877,552,899.11, 14,819,239,873.80 and 3,979,076,839.82 is: 5,969,787,736.68
Step by Step Solution
- Step 1: Write the proportion equation
9,877,552,899.11 : 14,819,239,873.80 = 3,979,076,839.82 : x - Step 2: Convert to fraction form
9,877,552,899.11/14,819,239,873.80 = 3,979,076,839.82/x - Step 3: Cross multiply
9,877,552,899.11x = 14,819,239,873.80 × 3,979,076,839.82 - Step 4: Simplify right side
9,877,552,899.11x = 58,966,894,165,500,542,976 - Step 5: Solve for x
x = 58,966,894,165,500,542,976/9,877,552,899.11 - Step 6: Final answer
x = 5,969,787,736.68
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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.