Finding the Fourth Proportional to 655,128,835.05, 982,693,252.58 and 605,244,239.85
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Solution
The fourth proportional to 655,128,835.05, 982,693,252.58 and 605,244,239.85 is: 907,866,359.78
Step by Step Solution
- Step 1: Write the proportion equation
655,128,835.05 : 982,693,252.58 = 605,244,239.85 : x - Step 2: Convert to fraction form
655,128,835.05/982,693,252.58 = 605,244,239.85/x - Step 3: Cross multiply
655,128,835.05x = 982,693,252.58 × 605,244,239.85 - Step 4: Simplify right side
655,128,835.05x = 594,769,430,660,480,000 - Step 5: Solve for x
x = 594,769,430,660,480,000/655,128,835.05 - Step 6: Final answer
x = 907,866,359.78
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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.