Finding the Fourth Proportional to 4,039,276,217,469, 5,574,206,555,607.20 and 2,187,387,568,011.80
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Solution
The fourth proportional to 4,039,276,217,469, 5,574,206,555,607.20 and 2,187,387,568,011.80 is: 3,018,597,754,848.55
Step by Step Solution
- Step 1: Write the proportion equation
4,039,276,217,469 : 5,574,206,555,607.20 = 2,187,387,568,011.80 : x - Step 2: Convert to fraction form
4,039,276,217,469/5,574,206,555,607.20 = 2,187,387,568,011.80/x - Step 3: Cross multiply
4,039,276,217,469x = 5,574,206,555,607.20 × 2,187,387,568,011.80 - Step 4: Simplify right side
4,039,276,217,469x = 12,192,950,121,265,065,736,798,208 - Step 5: Solve for x
x = 12,192,950,121,265,065,736,798,208/4,039,276,217,469 - Step 6: Final answer
x = 3,018,597,754,848.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.