Finding the Fourth Proportional to 734,906,234.70, 1,102,359,352.05 and 729,804,401.10
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Solution
The fourth proportional to 734,906,234.70, 1,102,359,352.05 and 729,804,401.10 is: 1,094,706,601.65
Step by Step Solution
- Step 1: Write the proportion equation
734,906,234.70 : 1,102,359,352.05 = 729,804,401.10 : x - Step 2: Convert to fraction form
734,906,234.70/1,102,359,352.05 = 729,804,401.10/x - Step 3: Cross multiply
734,906,234.70x = 1,102,359,352.05 × 729,804,401.10 - Step 4: Simplify right side
734,906,234.70x = 804,506,706,719,834,240 - Step 5: Solve for x
x = 804,506,706,719,834,240/734,906,234.70 - Step 6: Final answer
x = 1,094,706,601.65
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Double scale
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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.