Finding the Fourth Proportional to 1,512,071,712.90, 2,268,107,569.35 and 1,205,961,696.90
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Solution
The fourth proportional to 1,512,071,712.90, 2,268,107,569.35 and 1,205,961,696.90 is: 1,808,942,545.35
Step by Step Solution
- Step 1: Write the proportion equation
1,512,071,712.90 : 2,268,107,569.35 = 1,205,961,696.90 : x - Step 2: Convert to fraction form
1,512,071,712.90/2,268,107,569.35 = 1,205,961,696.90/x - Step 3: Cross multiply
1,512,071,712.90x = 2,268,107,569.35 × 1,205,961,696.90 - Step 4: Simplify right side
1,512,071,712.90x = 2,735,250,853,085,060,608 - Step 5: Solve for x
x = 2,735,250,853,085,060,608/1,512,071,712.90 - Step 6: Final answer
x = 1,808,942,545.35
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1.5x scale
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.