Finding the Fourth Proportional to 474,092,728,034.36, 654,248,448,889.22 and 257,318,967,266.70
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Solution
The fourth proportional to 474,092,728,034.36, 654,248,448,889.22 and 257,318,967,266.70 is: 355,100,437,633.82
Step by Step Solution
- Step 1: Write the proportion equation
474,092,728,034.36 : 654,248,448,889.22 = 257,318,967,266.70 : x - Step 2: Convert to fraction form
474,092,728,034.36/654,248,448,889.22 = 257,318,967,266.70/x - Step 3: Cross multiply
474,092,728,034.36x = 654,248,448,889.22 × 257,318,967,266.70 - Step 4: Simplify right side
474,092,728,034.36x = 168,350,535,204,014,460,502,016 - Step 5: Solve for x
x = 168,350,535,204,014,460,502,016/474,092,728,034.36 - Step 6: Final answer
x = 355,100,437,633.82
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1.5x scale
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.