Finding the Fourth Proportional to 1,303,744,223.70, 1,955,616,335.55 and 997,634,207.70
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Solution
The fourth proportional to 1,303,744,223.70, 1,955,616,335.55 and 997,634,207.70 is: 1,496,451,311.55
Step by Step Solution
- Step 1: Write the proportion equation
1,303,744,223.70 : 1,955,616,335.55 = 997,634,207.70 : x - Step 2: Convert to fraction form
1,303,744,223.70/1,955,616,335.55 = 997,634,207.70/x - Step 3: Cross multiply
1,303,744,223.70x = 1,955,616,335.55 × 997,634,207.70 - Step 4: Simplify right side
1,303,744,223.70x = 1,950,989,753,481,601,536 - Step 5: Solve for x
x = 1,950,989,753,481,601,536/1,303,744,223.70 - Step 6: Final answer
x = 1,496,451,311.55
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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.