Finding the Fourth Proportional to 1,417,177,717.60, 2,125,766,576.40 and 1,279,428,210.40
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Solution
The fourth proportional to 1,417,177,717.60, 2,125,766,576.40 and 1,279,428,210.40 is: 1,919,142,315.60
Step by Step Solution
- Step 1: Write the proportion equation
1,417,177,717.60 : 2,125,766,576.40 = 1,279,428,210.40 : x - Step 2: Convert to fraction form
1,417,177,717.60/2,125,766,576.40 = 1,279,428,210.40/x - Step 3: Cross multiply
1,417,177,717.60x = 2,125,766,576.40 × 1,279,428,210.40 - Step 4: Simplify right side
1,417,177,717.60x = 2,719,765,726,571,587,072 - Step 5: Solve for x
x = 2,719,765,726,571,587,072/1,417,177,717.60 - Step 6: Final answer
x = 1,919,142,315.60
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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.