Finding the Fourth Proportional to 889,657,328.49, 1,227,727,093.80 and 493,179,313.38
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Solution
The fourth proportional to 889,657,328.49, 1,227,727,093.80 and 493,179,313.38 is: 680,587,441.65
Step by Step Solution
- Step 1: Write the proportion equation
889,657,328.49 : 1,227,727,093.80 = 493,179,313.38 : x - Step 2: Convert to fraction form
889,657,328.49/1,227,727,093.80 = 493,179,313.38/x - Step 3: Cross multiply
889,657,328.49x = 1,227,727,093.80 × 493,179,313.38 - Step 4: Simplify right side
889,657,328.49x = 605,489,605,135,577,088 - Step 5: Solve for x
x = 605,489,605,135,577,088/889,657,328.49 - Step 6: Final answer
x = 680,587,441.65
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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.