Finding the Fourth Proportional to 2,156,203,046.48, 3,227,676,934.74 and 1,838,110,938.87
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Solution
The fourth proportional to 2,156,203,046.48, 3,227,676,934.74 and 1,838,110,938.87 is: 2,751,516,509.81
Step by Step Solution
- Step 1: Write the proportion equation
2,156,203,046.48 : 3,227,676,934.74 = 1,838,110,938.87 : x - Step 2: Convert to fraction form
2,156,203,046.48/3,227,676,934.74 = 1,838,110,938.87/x - Step 3: Cross multiply
2,156,203,046.48x = 3,227,676,934.74 × 1,838,110,938.87 - Step 4: Simplify right side
2,156,203,046.48x = 5,932,828,280,883,984,384 - Step 5: Solve for x
x = 5,932,828,280,883,984,384/2,156,203,046.48 - Step 6: Final answer
x = 2,751,516,509.81
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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.