Finding the Fourth Proportional to 486,285,011.84, 671,074,402.56 and 263,269,043.84
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Solution
The fourth proportional to 486,285,011.84, 671,074,402.56 and 263,269,043.84 is: 363,311,868.57
Step by Step Solution
- Step 1: Write the proportion equation
486,285,011.84 : 671,074,402.56 = 263,269,043.84 : x - Step 2: Convert to fraction form
486,285,011.84/671,074,402.56 = 263,269,043.84/x - Step 3: Cross multiply
486,285,011.84x = 671,074,402.56 × 263,269,043.84 - Step 4: Simplify right side
486,285,011.84x = 176,673,116,307,470,432 - Step 5: Solve for x
x = 176,673,116,307,470,432/486,285,011.84 - Step 6: Final answer
x = 363,311,868.57
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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.