Finding the Fourth Proportional to 302,691,832.28, 417,714,726.09 and 163,462,581.75
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Solution
The fourth proportional to 302,691,832.28, 417,714,726.09 and 163,462,581.75 is: 225,578,361.48
Step by Step Solution
- Step 1: Write the proportion equation
302,691,832.28 : 417,714,726.09 = 163,462,581.75 : x - Step 2: Convert to fraction form
302,691,832.28/417,714,726.09 = 163,462,581.75/x - Step 3: Cross multiply
302,691,832.28x = 417,714,726.09 × 163,462,581.75 - Step 4: Simplify right side
302,691,832.28x = 68,280,727,558,759,592 - Step 5: Solve for x
x = 68,280,727,558,759,592/302,691,832.28 - Step 6: Final answer
x = 225,578,361.48
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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.