Finding the Fourth Proportional to 1,036,825,502.08, 1,555,239,749.90 and 423,409,727.84
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Solution
The fourth proportional to 1,036,825,502.08, 1,555,239,749.90 and 423,409,727.84 is: 635,115,203.00
Step by Step Solution
- Step 1: Write the proportion equation
1,036,825,502.08 : 1,555,239,749.90 = 423,409,727.84 : x - Step 2: Convert to fraction form
1,036,825,502.08/1,555,239,749.90 = 423,409,727.84/x - Step 3: Cross multiply
1,036,825,502.08x = 1,555,239,749.90 × 423,409,727.84 - Step 4: Simplify right side
1,036,825,502.08x = 658,503,639,231,108,608 - Step 5: Solve for x
x = 658,503,639,231,108,608/1,036,825,502.08 - Step 6: Final answer
x = 635,115,203.00
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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.