Finding the Fourth Proportional to 2,265,315,379.11, 3,126,292,341.39 and 1,373,279,703.21
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Solution
The fourth proportional to 2,265,315,379.11, 3,126,292,341.39 and 1,373,279,703.21 is: 1,895,221,238.65
Step by Step Solution
- Step 1: Write the proportion equation
2,265,315,379.11 : 3,126,292,341.39 = 1,373,279,703.21 : x - Step 2: Convert to fraction form
2,265,315,379.11/3,126,292,341.39 = 1,373,279,703.21/x - Step 3: Cross multiply
2,265,315,379.11x = 3,126,292,341.39 × 1,373,279,703.21 - Step 4: Simplify right side
2,265,315,379.11x = 4,293,273,818,731,755,008 - Step 5: Solve for x
x = 4,293,273,818,731,755,008/2,265,315,379.11 - Step 6: Final answer
x = 1,895,221,238.65
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1.5x scale
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.