Finding the Fourth Proportional to 1,772,927,993.80, 2,659,391,990.70 and 1,677,693,766.60
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Solution
The fourth proportional to 1,772,927,993.80, 2,659,391,990.70 and 1,677,693,766.60 is: 2,516,540,649.90
Step by Step Solution
- Step 1: Write the proportion equation
1,772,927,993.80 : 2,659,391,990.70 = 1,677,693,766.60 : x - Step 2: Convert to fraction form
1,772,927,993.80/2,659,391,990.70 = 1,677,693,766.60/x - Step 3: Cross multiply
1,772,927,993.80x = 2,659,391,990.70 × 1,677,693,766.60 - Step 4: Simplify right side
1,772,927,993.80x = 4,461,645,365,743,354,368 - Step 5: Solve for x
x = 4,461,645,365,743,354,368/1,772,927,993.80 - Step 6: Final answer
x = 2,516,540,649.90
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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.