Finding the Fourth Proportional to 421,021,135.35, 580,979,671.81 and 244,796,628.35
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Solution
The fourth proportional to 421,021,135.35, 580,979,671.81 and 244,796,628.35 is: 337,802,197.70
Step by Step Solution
- Step 1: Write the proportion equation
421,021,135.35 : 580,979,671.81 = 244,796,628.35 : x - Step 2: Convert to fraction form
421,021,135.35/580,979,671.81 = 244,796,628.35/x - Step 3: Cross multiply
421,021,135.35x = 580,979,671.81 × 244,796,628.35 - Step 4: Simplify right side
421,021,135.35x = 142,221,864,799,818,000 - Step 5: Solve for x
x = 142,221,864,799,818,000/421,021,135.35 - Step 6: Final answer
x = 337,802,197.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.