Finding the Fourth Proportional to 1,675,888,728.60, 2,313,007,874.46 and 971,481,339.48
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Solution
The fourth proportional to 1,675,888,728.60, 2,313,007,874.46 and 971,481,339.48 is: 1,340,807,387.60
Step by Step Solution
- Step 1: Write the proportion equation
1,675,888,728.60 : 2,313,007,874.46 = 971,481,339.48 : x - Step 2: Convert to fraction form
1,675,888,728.60/2,313,007,874.46 = 971,481,339.48/x - Step 3: Cross multiply
1,675,888,728.60x = 2,313,007,874.46 × 971,481,339.48 - Step 4: Simplify right side
1,675,888,728.60x = 2,247,043,988,108,188,672 - Step 5: Solve for x
x = 2,247,043,988,108,188,672/1,675,888,728.60 - Step 6: Final answer
x = 1,340,807,387.60
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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.