Finding the Fourth Proportional to 3,239,266,436.37, 4,470,191,993.21 and 1,754,157,123.09
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Solution
The fourth proportional to 3,239,266,436.37, 4,470,191,993.21 and 1,754,157,123.09 is: 2,420,739,164.40
Step by Step Solution
- Step 1: Write the proportion equation
3,239,266,436.37 : 4,470,191,993.21 = 1,754,157,123.09 : x - Step 2: Convert to fraction form
3,239,266,436.37/4,470,191,993.21 = 1,754,157,123.09/x - Step 3: Cross multiply
3,239,266,436.37x = 4,470,191,993.21 × 1,754,157,123.09 - Step 4: Simplify right side
3,239,266,436.37x = 7,841,419,126,460,435,456 - Step 5: Solve for x
x = 7,841,419,126,460,435,456/3,239,266,436.37 - Step 6: Final answer
x = 2,420,739,164.40
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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.