Finding the Fourth Proportional to 1,102,127,251.36, 1,520,935,689 and 607,089,959.88
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Solution
The fourth proportional to 1,102,127,251.36, 1,520,935,689 and 607,089,959.88 is: 837,784,189.87
Step by Step Solution
- Step 1: Write the proportion equation
1,102,127,251.36 : 1,520,935,689 = 607,089,959.88 : x - Step 2: Convert to fraction form
1,102,127,251.36/1,520,935,689 = 607,089,959.88/x - Step 3: Cross multiply
1,102,127,251.36x = 1,520,935,689 × 607,089,959.88 - Step 4: Simplify right side
1,102,127,251.36x = 923,344,786,415,070,208 - Step 5: Solve for x
x = 923,344,786,415,070,208/1,102,127,251.36 - Step 6: Final answer
x = 837,784,189.87
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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.