Finding the Fourth Proportional to 956,841,286.36, 1,320,441,864.99 and 516,808,138.36
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Solution
The fourth proportional to 956,841,286.36, 1,320,441,864.99 and 516,808,138.36 is: 713,195,711.54
Step by Step Solution
- Step 1: Write the proportion equation
956,841,286.36 : 1,320,441,864.99 = 516,808,138.36 : x - Step 2: Convert to fraction form
956,841,286.36/1,320,441,864.99 = 516,808,138.36/x - Step 3: Cross multiply
956,841,286.36x = 1,320,441,864.99 × 516,808,138.36 - Step 4: Simplify right side
956,841,286.36x = 682,415,102,058,088,320 - Step 5: Solve for x
x = 682,415,102,058,088,320/956,841,286.36 - Step 6: Final answer
x = 713,195,711.54
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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.