Finding the Fourth Proportional to 746,757,307.40, 1,120,135,961.10 and 201,497,966.60
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Solution
The fourth proportional to 746,757,307.40, 1,120,135,961.10 and 201,497,966.60 is: 302,246,949.90
Step by Step Solution
- Step 1: Write the proportion equation
746,757,307.40 : 1,120,135,961.10 = 201,497,966.60 : x - Step 2: Convert to fraction form
746,757,307.40/1,120,135,961.10 = 201,497,966.60/x - Step 3: Cross multiply
746,757,307.40x = 1,120,135,961.10 × 201,497,966.60 - Step 4: Simplify right side
746,757,307.40x = 225,705,118,477,186,688 - Step 5: Solve for x
x = 225,705,118,477,186,688/746,757,307.40 - Step 6: Final answer
x = 302,246,949.90
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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.