Finding the Fourth Proportional to 2,129,019,841.53, 2,940,923,051.87 and 1,604,349,793.53
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Solution
The fourth proportional to 2,129,019,841.53, 2,940,923,051.87 and 1,604,349,793.53 is: 2,216,169,712.94
Step by Step Solution
- Step 1: Write the proportion equation
2,129,019,841.53 : 2,940,923,051.87 = 1,604,349,793.53 : x - Step 2: Convert to fraction form
2,129,019,841.53/2,940,923,051.87 = 1,604,349,793.53/x - Step 3: Cross multiply
2,129,019,841.53x = 2,940,923,051.87 × 1,604,349,793.53 - Step 4: Simplify right side
2,129,019,841.53x = 4,718,269,291,047,229,440 - Step 5: Solve for x
x = 4,718,269,291,047,229,440/2,129,019,841.53 - Step 6: Final answer
x = 2,216,169,712.94
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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.