Finding the Fourth Proportional to 1,674,534,920.91, 2,511,871,726.22 and 494,115,360.45
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Solution
The fourth proportional to 1,674,534,920.91, 2,511,871,726.22 and 494,115,360.45 is: 741,193,502.69
Step by Step Solution
- Step 1: Write the proportion equation
1,674,534,920.91 : 2,511,871,726.22 = 494,115,360.45 : x - Step 2: Convert to fraction form
1,674,534,920.91/2,511,871,726.22 = 494,115,360.45/x - Step 3: Cross multiply
1,674,534,920.91x = 2,511,871,726.22 × 494,115,360.45 - Step 4: Simplify right side
1,674,534,920.91x = 1,241,154,403,402,888,448 - Step 5: Solve for x
x = 1,241,154,403,402,888,448/1,674,534,920.91 - Step 6: Final answer
x = 741,193,502.69
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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.