Finding the Fourth Proportional to 3,195,063,102.99, 4,409,102,503.14 and 1,785,378,649.62
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Solution
The fourth proportional to 3,195,063,102.99, 4,409,102,503.14 and 1,785,378,649.62 is: 2,463,775,274.34
Step by Step Solution
- Step 1: Write the proportion equation
3,195,063,102.99 : 4,409,102,503.14 = 1,785,378,649.62 : x - Step 2: Convert to fraction form
3,195,063,102.99/4,409,102,503.14 = 1,785,378,649.62/x - Step 3: Cross multiply
3,195,063,102.99x = 4,409,102,503.14 × 1,785,378,649.62 - Step 4: Simplify right side
3,195,063,102.99x = 7,871,917,473,101,962,240 - Step 5: Solve for x
x = 7,871,917,473,101,962,240/3,195,063,102.99 - Step 6: Final answer
x = 2,463,775,274.34
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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.