Finding the Fourth Proportional to 306,819,502.04, 423,285,566.05 and 226,543,881.21
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Solution
The fourth proportional to 306,819,502.04, 423,285,566.05 and 226,543,881.21 is: 312,538,004.79
Step by Step Solution
- Step 1: Write the proportion equation
306,819,502.04 : 423,285,566.05 = 226,543,881.21 : x - Step 2: Convert to fraction form
306,819,502.04/423,285,566.05 = 226,543,881.21/x - Step 3: Cross multiply
306,819,502.04x = 423,285,566.05 × 226,543,881.21 - Step 4: Simplify right side
306,819,502.04x = 95,892,754,996,039,536 - Step 5: Solve for x
x = 95,892,754,996,039,536/306,819,502.04 - Step 6: Final answer
x = 312,538,004.79
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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.