Finding the Fourth Proportional to 746,756,408.40, 1,120,134,612.60 and 201,497,067.60
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Solution
The fourth proportional to 746,756,408.40, 1,120,134,612.60 and 201,497,067.60 is: 302,245,601.40
Step by Step Solution
- Step 1: Write the proportion equation
746,756,408.40 : 1,120,134,612.60 = 201,497,067.60 : x - Step 2: Convert to fraction form
746,756,408.40/1,120,134,612.60 = 201,497,067.60/x - Step 3: Cross multiply
746,756,408.40x = 1,120,134,612.60 × 201,497,067.60 - Step 4: Simplify right side
746,756,408.40x = 225,703,839,756,161,984 - Step 5: Solve for x
x = 225,703,839,756,161,984/746,756,408.40 - Step 6: Final answer
x = 302,245,601.40
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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.