Finding the Fourth Proportional to 4,039,276,217,485.20, 5,574,206,555,630 and 2,187,387,568,027.60
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Solution
The fourth proportional to 4,039,276,217,485.20, 5,574,206,555,630 and 2,187,387,568,027.60 is: 3,018,597,754,870.59
Step by Step Solution
- Step 1: Write the proportion equation
4,039,276,217,485.20 : 5,574,206,555,630 = 2,187,387,568,027.60 : x - Step 2: Convert to fraction form
4,039,276,217,485.20/5,574,206,555,630 = 2,187,387,568,027.60/x - Step 3: Cross multiply
4,039,276,217,485.20x = 5,574,206,555,630 × 2,187,387,568,027.60 - Step 4: Simplify right side
4,039,276,217,485.20x = 12,192,950,121,403,011,496,411,136 - Step 5: Solve for x
x = 12,192,950,121,403,011,496,411,136/4,039,276,217,485.20 - Step 6: Final answer
x = 3,018,597,754,870.59
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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.