Finding the Fourth Proportional to 3,125,425,374,782.10, 4,313,203,417,954.70 and 1,874,190,623,618.70
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Solution
The fourth proportional to 3,125,425,374,782.10, 4,313,203,417,954.70 and 1,874,190,623,618.70 is: 2,586,452,861,397.92
Step by Step Solution
- Step 1: Write the proportion equation
3,125,425,374,782.10 : 4,313,203,417,954.70 = 1,874,190,623,618.70 : x - Step 2: Convert to fraction form
3,125,425,374,782.10/4,313,203,417,954.70 = 1,874,190,623,618.70/x - Step 3: Cross multiply
3,125,425,374,782.10x = 4,313,203,417,954.70 × 1,874,190,623,618.70 - Step 4: Simplify right side
3,125,425,374,782.10x = 8,083,765,403,690,828,038,144,000 - Step 5: Solve for x
x = 8,083,765,403,690,828,038,144,000/3,125,425,374,782.10 - Step 6: Final answer
x = 2,586,452,861,397.92
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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.