Finding the Fourth Proportional to 734,872,529.80, 1,102,308,794.70 and 717,866,417.80
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Solution
The fourth proportional to 734,872,529.80, 1,102,308,794.70 and 717,866,417.80 is: 1,076,799,626.70
Step by Step Solution
- Step 1: Write the proportion equation
734,872,529.80 : 1,102,308,794.70 = 717,866,417.80 : x - Step 2: Convert to fraction form
734,872,529.80/1,102,308,794.70 = 717,866,417.80/x - Step 3: Cross multiply
734,872,529.80x = 1,102,308,794.70 × 717,866,417.80 - Step 4: Simplify right side
734,872,529.80x = 791,310,465,760,724,608 - Step 5: Solve for x
x = 791,310,465,760,724,608/734,872,529.80 - Step 6: Final answer
x = 1,076,799,626.70
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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.