Finding the Fourth Proportional to 1,724,969,927.29, 2,380,626,560.21 and 1,020,348,912.92
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Solution
The fourth proportional to 1,724,969,927.29, 2,380,626,560.21 and 1,020,348,912.92 is: 1,408,180,910.49
Step by Step Solution
- Step 1: Write the proportion equation
1,724,969,927.29 : 2,380,626,560.21 = 1,020,348,912.92 : x - Step 2: Convert to fraction form
1,724,969,927.29/2,380,626,560.21 = 1,020,348,912.92/x - Step 3: Cross multiply
1,724,969,927.29x = 2,380,626,560.21 × 1,020,348,912.92 - Step 4: Simplify right side
1,724,969,927.29x = 2,429,069,722,778,752,512 - Step 5: Solve for x
x = 2,429,069,722,778,752,512/1,724,969,927.29 - Step 6: Final answer
x = 1,408,180,910.49
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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.