Finding the Fourth Proportional to 297,693,790.44, 410,868,851.84 and 172,315,116.49
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Solution
The fourth proportional to 297,693,790.44, 410,868,851.84 and 172,315,116.49 is: 237,824,624.96
Step by Step Solution
- Step 1: Write the proportion equation
297,693,790.44 : 410,868,851.84 = 172,315,116.49 : x - Step 2: Convert to fraction form
297,693,790.44/410,868,851.84 = 172,315,116.49/x - Step 3: Cross multiply
297,693,790.44x = 410,868,851.84 × 172,315,116.49 - Step 4: Simplify right side
297,693,790.44x = 70,798,914,065,033,408 - Step 5: Solve for x
x = 70,798,914,065,033,408/297,693,790.44 - Step 6: Final answer
x = 237,824,624.96
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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.