Finding the Fourth Proportional to 624,865,745.70, 937,298,618.55 and 624,865,745.70
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Solution
The fourth proportional to 624,865,745.70, 937,298,618.55 and 624,865,745.70 is: 937,298,618.55
Step by Step Solution
- Step 1: Write the proportion equation
624,865,745.70 : 937,298,618.55 = 624,865,745.70 : x - Step 2: Convert to fraction form
624,865,745.70/937,298,618.55 = 624,865,745.70/x - Step 3: Cross multiply
624,865,745.70x = 937,298,618.55 × 624,865,745.70 - Step 4: Simplify right side
624,865,745.70x = 585,685,800,223,825,664 - Step 5: Solve for x
x = 585,685,800,223,825,664/624,865,745.70 - Step 6: Final answer
x = 937,298,618.55
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Double scale
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Similar ratio
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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.