Finding the Fourth Proportional to 1,606,817,232.97, 2,217,206,992.97 and 892,255,631.99
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Solution
The fourth proportional to 1,606,817,232.97, 2,217,206,992.97 and 892,255,631.99 is: 1,231,201,275.52
Step by Step Solution
- Step 1: Write the proportion equation
1,606,817,232.97 : 2,217,206,992.97 = 892,255,631.99 : x - Step 2: Convert to fraction form
1,606,817,232.97/2,217,206,992.97 = 892,255,631.99/x - Step 3: Cross multiply
1,606,817,232.97x = 2,217,206,992.97 × 892,255,631.99 - Step 4: Simplify right side
1,606,817,232.97x = 1,978,315,426,756,239,360 - Step 5: Solve for x
x = 1,978,315,426,756,239,360/1,606,817,232.97 - Step 6: Final answer
x = 1,231,201,275.52
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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.