Finding the Fourth Proportional to 392,713,127,331.20, 541,957,487,545.04 and 227,901,886,163.36
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Solution
The fourth proportional to 392,713,127,331.20, 541,957,487,545.04 and 227,901,886,163.36 is: 314,512,362,933.32
Step by Step Solution
- Step 1: Write the proportion equation
392,713,127,331.20 : 541,957,487,545.04 = 227,901,886,163.36 : x - Step 2: Convert to fraction form
392,713,127,331.20/541,957,487,545.04 = 227,901,886,163.36/x - Step 3: Cross multiply
392,713,127,331.20x = 541,957,487,545.04 × 227,901,886,163.36 - Step 4: Simplify right side
392,713,127,331.20x = 123,513,133,631,870,280,400,896 - Step 5: Solve for x
x = 123,513,133,631,870,280,400,896/392,713,127,331.20 - Step 6: Final answer
x = 314,512,362,933.32
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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.