Finding the Fourth Proportional to 874,145,311,210.68, 1,206,239,574,974.20 and 483,503,467,309.48
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Solution
The fourth proportional to 874,145,311,210.68, 1,206,239,574,974.20 and 483,503,467,309.48 is: 667,190,007,686.69
Step by Step Solution
- Step 1: Write the proportion equation
874,145,311,210.68 : 1,206,239,574,974.20 = 483,503,467,309.48 : x - Step 2: Convert to fraction form
874,145,311,210.68/1,206,239,574,974.20 = 483,503,467,309.48/x - Step 3: Cross multiply
874,145,311,210.68x = 1,206,239,574,974.20 × 483,503,467,309.48 - Step 4: Simplify right side
874,145,311,210.68x = 583,221,016,905,939,127,631,872 - Step 5: Solve for x
x = 583,221,016,905,939,127,631,872/874,145,311,210.68 - Step 6: Final answer
x = 667,190,007,686.69
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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.