Finding the Fourth Proportional to 656,678,377,494.15, 985,166,095,143.36 and 354,484,493,923.68
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Solution
The fourth proportional to 656,678,377,494.15, 985,166,095,143.36 and 354,484,493,923.68 is: 531,806,918,936.92
Step by Step Solution
- Step 1: Write the proportion equation
656,678,377,494.15 : 985,166,095,143.36 = 354,484,493,923.68 : x - Step 2: Convert to fraction form
656,678,377,494.15/985,166,095,143.36 = 354,484,493,923.68/x - Step 3: Cross multiply
656,678,377,494.15x = 985,166,095,143.36 × 354,484,493,923.68 - Step 4: Simplify right side
656,678,377,494.15x = 349,226,104,667,661,943,177,216 - Step 5: Solve for x
x = 349,226,104,667,661,943,177,216/656,678,377,494.15 - Step 6: Final answer
x = 531,806,918,936.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.