Finding the Fourth Proportional to 982,383,703.39, 1,355,682,491.62 and 536,347,052.07
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Solution
The fourth proportional to 982,383,703.39, 1,355,682,491.62 and 536,347,052.07 is: 740,155,099.70
Step by Step Solution
- Step 1: Write the proportion equation
982,383,703.39 : 1,355,682,491.62 = 536,347,052.07 : x - Step 2: Convert to fraction form
982,383,703.39/1,355,682,491.62 = 536,347,052.07/x - Step 3: Cross multiply
982,383,703.39x = 1,355,682,491.62 × 536,347,052.07 - Step 4: Simplify right side
982,383,703.39x = 727,116,307,923,299,456 - Step 5: Solve for x
x = 727,116,307,923,299,456/982,383,703.39 - Step 6: Final answer
x = 740,155,099.70
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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.