Finding the Fourth Proportional to 355,558,349,821.70, 490,586,424,978.21 and 201,234,029,277.01
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Solution
The fourth proportional to 355,558,349,821.70, 490,586,424,978.21 and 201,234,029,277.01 is: 277,655,363,898.71
Step by Step Solution
- Step 1: Write the proportion equation
355,558,349,821.70 : 490,586,424,978.21 = 201,234,029,277.01 : x - Step 2: Convert to fraction form
355,558,349,821.70/490,586,424,978.21 = 201,234,029,277.01/x - Step 3: Cross multiply
355,558,349,821.70x = 490,586,424,978.21 × 201,234,029,277.01 - Step 4: Simplify right side
355,558,349,821.70x = 98,722,683,006,968,787,894,272 - Step 5: Solve for x
x = 98,722,683,006,968,787,894,272/355,558,349,821.70 - Step 6: Final answer
x = 277,655,363,898.71
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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.