Finding the Fourth Proportional to 834,852,438.72, 1,152,202,653.36 and 504,829,939.68
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Solution
The fourth proportional to 834,852,438.72, 1,152,202,653.36 and 504,829,939.68 is: 696,729,588.39
Step by Step Solution
- Step 1: Write the proportion equation
834,852,438.72 : 1,152,202,653.36 = 504,829,939.68 : x - Step 2: Convert to fraction form
834,852,438.72/1,152,202,653.36 = 504,829,939.68/x - Step 3: Cross multiply
834,852,438.72x = 1,152,202,653.36 × 504,829,939.68 - Step 4: Simplify right side
834,852,438.72x = 581,666,395,994,864,768 - Step 5: Solve for x
x = 581,666,395,994,864,768/834,852,438.72 - Step 6: Final answer
x = 696,729,588.39
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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.