Finding the Fourth Proportional to 783,744,924.71, 1,175,727,822.26 and 251,777,971.54
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Solution
The fourth proportional to 783,744,924.71, 1,175,727,822.26 and 251,777,971.54 is: 377,702,434.60
Step by Step Solution
- Step 1: Write the proportion equation
783,744,924.71 : 1,175,727,822.26 = 251,777,971.54 : x - Step 2: Convert to fraction form
783,744,924.71/1,175,727,822.26 = 251,777,971.54/x - Step 3: Cross multiply
783,744,924.71x = 1,175,727,822.26 × 251,777,971.54 - Step 4: Simplify right side
783,744,924.71x = 296,022,366,169,454,592 - Step 5: Solve for x
x = 296,022,366,169,454,592/783,744,924.71 - Step 6: Final answer
x = 377,702,434.60
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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.