Finding the Fourth Proportional to 2,129,990,335.06, 2,939,678,661.47 and 1,225,727,686.16
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Solution
The fourth proportional to 2,129,990,335.06, 2,939,678,661.47 and 1,225,727,686.16 is: 1,691,672,241.17
Step by Step Solution
- Step 1: Write the proportion equation
2,129,990,335.06 : 2,939,678,661.47 = 1,225,727,686.16 : x - Step 2: Convert to fraction form
2,129,990,335.06/2,939,678,661.47 = 1,225,727,686.16/x - Step 3: Cross multiply
2,129,990,335.06x = 2,939,678,661.47 × 1,225,727,686.16 - Step 4: Simplify right side
2,129,990,335.06x = 3,603,245,523,777,548,800 - Step 5: Solve for x
x = 3,603,245,523,777,548,800/2,129,990,335.06 - Step 6: Final answer
x = 1,691,672,241.17
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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.