Finding the Fourth Proportional to 2,930,579,908.80, 4,394,594,404.80 and 964,673,361.60
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Solution
The fourth proportional to 2,930,579,908.80, 4,394,594,404.80 and 964,673,361.60 is: 1,446,590,193.50
Step by Step Solution
- Step 1: Write the proportion equation
2,930,579,908.80 : 4,394,594,404.80 = 964,673,361.60 : x - Step 2: Convert to fraction form
2,930,579,908.80/4,394,594,404.80 = 964,673,361.60/x - Step 3: Cross multiply
2,930,579,908.80x = 4,394,594,404.80 × 964,673,361.60 - Step 4: Simplify right side
2,930,579,908.80x = 4,239,348,157,346,967,552 - Step 5: Solve for x
x = 4,239,348,157,346,967,552/2,930,579,908.80 - Step 6: Final answer
x = 1,446,590,193.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.