Finding the Fourth Proportional to 1,965,804,041.53, 2,948,717,085.54 and 655,702,497.39
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Solution
The fourth proportional to 1,965,804,041.53, 2,948,717,085.54 and 655,702,497.39 is: 983,557,422.94
Step by Step Solution
- Step 1: Write the proportion equation
1,965,804,041.53 : 2,948,717,085.54 = 655,702,497.39 : x - Step 2: Convert to fraction form
1,965,804,041.53/2,948,717,085.54 = 655,702,497.39/x - Step 3: Cross multiply
1,965,804,041.53x = 2,948,717,085.54 × 655,702,497.39 - Step 4: Simplify right side
1,965,804,041.53x = 1,933,481,157,093,771,776 - Step 5: Solve for x
x = 1,933,481,157,093,771,776/1,965,804,041.53 - Step 6: Final answer
x = 983,557,422.94
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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.