Finding the Fourth Proportional to 363,845,749.74, 502,107,135.84 and 207,227,430.24
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Solution
The fourth proportional to 363,845,749.74, 502,107,135.84 and 207,227,430.24 is: 285,973,854.41
Step by Step Solution
- Step 1: Write the proportion equation
363,845,749.74 : 502,107,135.84 = 207,227,430.24 : x - Step 2: Convert to fraction form
363,845,749.74/502,107,135.84 = 207,227,430.24/x - Step 3: Cross multiply
363,845,749.74x = 502,107,135.84 × 207,227,430.24 - Step 4: Simplify right side
363,845,749.74x = 104,050,371,465,289,808 - Step 5: Solve for x
x = 104,050,371,465,289,808/363,845,749.74 - Step 6: Final answer
x = 285,973,854.41
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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.