Finding the Fourth Proportional to 3,152,566,365,823.70, 4,728,371,749,146.80 and 858,009,623,062.05
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Solution
The fourth proportional to 3,152,566,365,823.70, 4,728,371,749,146.80 and 858,009,623,062.05 is: 1,286,884,395,571.70
Step by Step Solution
- Step 1: Write the proportion equation
3,152,566,365,823.70 : 4,728,371,749,146.80 = 858,009,623,062.05 : x - Step 2: Convert to fraction form
3,152,566,365,823.70/4,728,371,749,146.80 = 858,009,623,062.05/x - Step 3: Cross multiply
3,152,566,365,823.70x = 4,728,371,749,146.80 × 858,009,623,062.05 - Step 4: Simplify right side
3,152,566,365,823.70x = 4,056,988,462,182,691,883,712,512 - Step 5: Solve for x
x = 4,056,988,462,182,691,883,712,512/3,152,566,365,823.70 - Step 6: Final answer
x = 1,286,884,395,571.70
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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.