Finding the Fourth Proportional to 1,180,332,259.20, 1,771,632,129.60 and 598,723,228.80
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Solution
The fourth proportional to 1,180,332,259.20, 1,771,632,129.60 and 598,723,228.80 is: 898,659,932.92
Step by Step Solution
- Step 1: Write the proportion equation
1,180,332,259.20 : 1,771,632,129.60 = 598,723,228.80 : x - Step 2: Convert to fraction form
1,180,332,259.20/1,771,632,129.60 = 598,723,228.80/x - Step 3: Cross multiply
1,180,332,259.20x = 1,771,632,129.60 × 598,723,228.80 - Step 4: Simplify right side
1,180,332,259.20x = 1,060,717,308,879,931,904 - Step 5: Solve for x
x = 1,060,717,308,879,931,904/1,180,332,259.20 - Step 6: Final answer
x = 898,659,932.92
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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.