Finding the Fourth Proportional to 746,496,768.90, 1,119,745,153.35 and 741,961,805.70
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Solution
The fourth proportional to 746,496,768.90, 1,119,745,153.35 and 741,961,805.70 is: 1,112,942,708.55
Step by Step Solution
- Step 1: Write the proportion equation
746,496,768.90 : 1,119,745,153.35 = 741,961,805.70 : x - Step 2: Convert to fraction form
746,496,768.90/1,119,745,153.35 = 741,961,805.70/x - Step 3: Cross multiply
746,496,768.90x = 1,119,745,153.35 × 741,961,805.70 - Step 4: Simplify right side
746,496,768.90x = 830,808,135,903,389,440 - Step 5: Solve for x
x = 830,808,135,903,389,440/746,496,768.90 - Step 6: Final answer
x = 1,112,942,708.55
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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.