Finding the Fourth Proportional to 2,798,555,125.34, 3,862,101,374.97 and 1,655,101,421.26
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Solution
The fourth proportional to 2,798,555,125.34, 3,862,101,374.97 and 1,655,101,421.26 is: 2,284,096,324.17
Step by Step Solution
- Step 1: Write the proportion equation
2,798,555,125.34 : 3,862,101,374.97 = 1,655,101,421.26 : x - Step 2: Convert to fraction form
2,798,555,125.34/3,862,101,374.97 = 1,655,101,421.26/x - Step 3: Cross multiply
2,798,555,125.34x = 3,862,101,374.97 × 1,655,101,421.26 - Step 4: Simplify right side
2,798,555,125.34x = 6,392,169,474,763,046,912 - Step 5: Solve for x
x = 6,392,169,474,763,046,912/2,798,555,125.34 - Step 6: Final answer
x = 2,284,096,324.17
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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.