Finding the Fourth Proportional to 4,524,143,800.80, 6,786,215,701.20 and 1,252,593,004.80
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Solution
The fourth proportional to 4,524,143,800.80, 6,786,215,701.20 and 1,252,593,004.80 is: 1,878,889,507.20
Step by Step Solution
- Step 1: Write the proportion equation
4,524,143,800.80 : 6,786,215,701.20 = 1,252,593,004.80 : x - Step 2: Convert to fraction form
4,524,143,800.80/6,786,215,701.20 = 1,252,593,004.80/x - Step 3: Cross multiply
4,524,143,800.80x = 6,786,215,701.20 × 1,252,593,004.80 - Step 4: Simplify right side
4,524,143,800.80x = 8,500,366,316,387,046,400 - Step 5: Solve for x
x = 8,500,366,316,387,046,400/4,524,143,800.80 - Step 6: Final answer
x = 1,878,889,507.20
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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.