Finding the Fourth Proportional to 2,354,837,128.97, 3,249,528,816.06 and 1,297,505,931.80
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Solution
The fourth proportional to 2,354,837,128.97, 3,249,528,816.06 and 1,297,505,931.80 is: 1,790,477,507.98
Step by Step Solution
- Step 1: Write the proportion equation
2,354,837,128.97 : 3,249,528,816.06 = 1,297,505,931.80 : x - Step 2: Convert to fraction form
2,354,837,128.97/3,249,528,816.06 = 1,297,505,931.80/x - Step 3: Cross multiply
2,354,837,128.97x = 3,249,528,816.06 × 1,297,505,931.80 - Step 4: Simplify right side
2,354,837,128.97x = 4,216,282,914,376,633,856 - Step 5: Solve for x
x = 4,216,282,914,376,633,856/2,354,837,128.97 - Step 6: Final answer
x = 1,790,477,507.98
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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.