Finding the Fourth Proportional to 1,642,286,137.56, 2,266,365,752.04 and 889,599,313.08
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Solution
The fourth proportional to 1,642,286,137.56, 2,266,365,752.04 and 889,599,313.08 is: 1,227,652,946.76
Step by Step Solution
- Step 1: Write the proportion equation
1,642,286,137.56 : 2,266,365,752.04 = 889,599,313.08 : x - Step 2: Convert to fraction form
1,642,286,137.56/2,266,365,752.04 = 889,599,313.08/x - Step 3: Cross multiply
1,642,286,137.56x = 2,266,365,752.04 × 889,599,313.08 - Step 4: Simplify right side
1,642,286,137.56x = 2,016,157,416,202,821,632 - Step 5: Solve for x
x = 2,016,157,416,202,821,632/1,642,286,137.56 - Step 6: Final answer
x = 1,227,652,946.76
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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.