Finding the Fourth Proportional to 1,783,374,502.73, 2,460,910,289.41 and 979,560,459.35
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Solution
The fourth proportional to 1,783,374,502.73, 2,460,910,289.41 and 979,560,459.35 is: 1,351,712,951.95
Step by Step Solution
- Step 1: Write the proportion equation
1,783,374,502.73 : 2,460,910,289.41 = 979,560,459.35 : x - Step 2: Convert to fraction form
1,783,374,502.73/2,460,910,289.41 = 979,560,459.35/x - Step 3: Cross multiply
1,783,374,502.73x = 2,460,910,289.41 × 979,560,459.35 - Step 4: Simplify right side
1,783,374,502.73x = 2,410,610,413,508,703,744 - Step 5: Solve for x
x = 2,410,610,413,508,703,744/1,783,374,502.73 - Step 6: Final answer
x = 1,351,712,951.95
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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.