Finding the Fourth Proportional to 946,809,889.97, 1,306,484,472.36 and 523,366,347.11
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Solution
The fourth proportional to 946,809,889.97, 1,306,484,472.36 and 523,366,347.11 is: 722,182,999.04
Step by Step Solution
- Step 1: Write the proportion equation
946,809,889.97 : 1,306,484,472.36 = 523,366,347.11 : x - Step 2: Convert to fraction form
946,809,889.97/1,306,484,472.36 = 523,366,347.11/x - Step 3: Cross multiply
946,809,889.97x = 1,306,484,472.36 × 523,366,347.11 - Step 4: Simplify right side
946,809,889.97x = 683,770,005,854,988,928 - Step 5: Solve for x
x = 683,770,005,854,988,928/946,809,889.97 - Step 6: Final answer
x = 722,182,999.04
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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.