Finding the Fourth Proportional to 621,305,202.24, 931,715,603.76 and 232,916,113.08
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Solution
The fourth proportional to 621,305,202.24, 931,715,603.76 and 232,916,113.08 is: 349,283,373.36
Step by Step Solution
- Step 1: Write the proportion equation
621,305,202.24 : 931,715,603.76 = 232,916,113.08 : x - Step 2: Convert to fraction form
621,305,202.24/931,715,603.76 = 232,916,113.08/x - Step 3: Cross multiply
621,305,202.24x = 931,715,603.76 × 232,916,113.08 - Step 4: Simplify right side
621,305,202.24x = 217,011,576,923,764,640 - Step 5: Solve for x
x = 217,011,576,923,764,640/621,305,202.24 - Step 6: Final answer
x = 349,283,373.36
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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.