Finding the Fourth Proportional to 1,582,166,615.18, 2,183,283,499.68 and 877,292,502.03
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Solution
The fourth proportional to 1,582,166,615.18, 2,183,283,499.68 and 877,292,502.03 is: 1,210,604,639.05
Step by Step Solution
- Step 1: Write the proportion equation
1,582,166,615.18 : 2,183,283,499.68 = 877,292,502.03 : x - Step 2: Convert to fraction form
1,582,166,615.18/2,183,283,499.68 = 877,292,502.03/x - Step 3: Cross multiply
1,582,166,615.18x = 2,183,283,499.68 × 877,292,502.03 - Step 4: Simplify right side
1,582,166,615.18x = 1,915,378,244,075,081,728 - Step 5: Solve for x
x = 1,915,378,244,075,081,728/1,582,166,615.18 - Step 6: Final answer
x = 1,210,604,639.05
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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.