Finding the Fourth Proportional to 1,800,705,879.75, 2,484,974,114.06 and 976,574,295.75
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Solution
The fourth proportional to 1,800,705,879.75, 2,484,974,114.06 and 976,574,295.75 is: 1,347,672,528.14
Step by Step Solution
- Step 1: Write the proportion equation
1,800,705,879.75 : 2,484,974,114.06 = 976,574,295.75 : x - Step 2: Convert to fraction form
1,800,705,879.75/2,484,974,114.06 = 976,574,295.75/x - Step 3: Cross multiply
1,800,705,879.75x = 2,484,974,114.06 × 976,574,295.75 - Step 4: Simplify right side
1,800,705,879.75x = 2,426,761,845,390,241,792 - Step 5: Solve for x
x = 2,426,761,845,390,241,792/1,800,705,879.75 - Step 6: Final answer
x = 1,347,672,528.14
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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.