Finding the Fourth Proportional to 1,665,459,373.68, 2,298,347,538.84 and 922,915,833.84
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Solution
The fourth proportional to 1,665,459,373.68, 2,298,347,538.84 and 922,915,833.84 is: 1,273,631,388.90
Step by Step Solution
- Step 1: Write the proportion equation
1,665,459,373.68 : 2,298,347,538.84 = 922,915,833.84 : x - Step 2: Convert to fraction form
1,665,459,373.68/2,298,347,538.84 = 922,915,833.84/x - Step 3: Cross multiply
1,665,459,373.68x = 2,298,347,538.84 × 922,915,833.84 - Step 4: Simplify right side
1,665,459,373.68x = 2,121,181,335,262,630,656 - Step 5: Solve for x
x = 2,121,181,335,262,630,656/1,665,459,373.68 - Step 6: Final answer
x = 1,273,631,388.90
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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.