Finding the Fourth Proportional to 2,996,352,277.20, 4,494,528,415.80 and 2,633,555,221.20
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Solution
The fourth proportional to 2,996,352,277.20, 4,494,528,415.80 and 2,633,555,221.20 is: 3,950,332,831.80
Step by Step Solution
- Step 1: Write the proportion equation
2,996,352,277.20 : 4,494,528,415.80 = 2,633,555,221.20 : x - Step 2: Convert to fraction form
2,996,352,277.20/4,494,528,415.80 = 2,633,555,221.20/x - Step 3: Cross multiply
2,996,352,277.20x = 4,494,528,415.80 × 2,633,555,221.20 - Step 4: Simplify right side
2,996,352,277.20x = 11,836,588,776,261,855,232 - Step 5: Solve for x
x = 11,836,588,776,261,855,232/2,996,352,277.20 - Step 6: Final answer
x = 3,950,332,831.80
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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.