Finding the Fourth Proportional to 2,798,555,122.84, 3,862,101,371.52 and 1,655,101,418.76
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Solution
The fourth proportional to 2,798,555,122.84, 3,862,101,371.52 and 1,655,101,418.76 is: 2,284,096,320.72
Step by Step Solution
- Step 1: Write the proportion equation
2,798,555,122.84 : 3,862,101,371.52 = 1,655,101,418.76 : x - Step 2: Convert to fraction form
2,798,555,122.84/3,862,101,371.52 = 1,655,101,418.76/x - Step 3: Cross multiply
2,798,555,122.84x = 3,862,101,371.52 × 1,655,101,418.76 - Step 4: Simplify right side
2,798,555,122.84x = 6,392,169,459,397,693,440 - Step 5: Solve for x
x = 6,392,169,459,397,693,440/2,798,555,122.84 - Step 6: Final answer
x = 2,284,096,320.72
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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.