Finding the Fourth Proportional to 239,399,288,718.28, 330,370,804,991.28 and 135,134,696,469.56
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Solution
The fourth proportional to 239,399,288,718.28, 330,370,804,991.28 and 135,134,696,469.56 is: 186,485,760,646.67
Step by Step Solution
- Step 1: Write the proportion equation
239,399,288,718.28 : 330,370,804,991.28 = 135,134,696,469.56 : x - Step 2: Convert to fraction form
239,399,288,718.28/330,370,804,991.28 = 135,134,696,469.56/x - Step 3: Cross multiply
239,399,288,718.28x = 330,370,804,991.28 × 135,134,696,469.56 - Step 4: Simplify right side
239,399,288,718.28x = 44,644,558,454,900,819,755,008 - Step 5: Solve for x
x = 44,644,558,454,900,819,755,008/239,399,288,718.28 - Step 6: Final answer
x = 186,485,760,646.67
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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.