Finding the Fourth Proportional to 651,149,564.52, 898,586,192.84 and 357,813,028.20
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Solution
The fourth proportional to 651,149,564.52, 898,586,192.84 and 357,813,028.20 is: 493,781,865.61
Step by Step Solution
- Step 1: Write the proportion equation
651,149,564.52 : 898,586,192.84 = 357,813,028.20 : x - Step 2: Convert to fraction form
651,149,564.52/898,586,192.84 = 357,813,028.20/x - Step 3: Cross multiply
651,149,564.52x = 898,586,192.84 × 357,813,028.20 - Step 4: Simplify right side
651,149,564.52x = 321,525,846,758,789,568 - Step 5: Solve for x
x = 321,525,846,758,789,568/651,149,564.52 - Step 6: Final answer
x = 493,781,865.61
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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.