Finding the Fourth Proportional to 478,060,097.76, 717,115,574.64 and 150,561,221.76
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Solution
The fourth proportional to 478,060,097.76, 717,115,574.64 and 150,561,221.76 is: 225,849,840.99
Step by Step Solution
- Step 1: Write the proportion equation
478,060,097.76 : 717,115,574.64 = 150,561,221.76 : x - Step 2: Convert to fraction form
478,060,097.76/717,115,574.64 = 150,561,221.76/x - Step 3: Cross multiply
478,060,097.76x = 717,115,574.64 × 150,561,221.76 - Step 4: Simplify right side
478,060,097.76x = 107,969,797,060,922,864 - Step 5: Solve for x
x = 107,969,797,060,922,864/478,060,097.76 - Step 6: Final answer
x = 225,849,840.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.