Finding the Fourth Proportional to 2,042,140,987.26, 3,064,102,471.98 and 715,121,470.80
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Solution
The fourth proportional to 2,042,140,987.26, 3,064,102,471.98 and 715,121,470.80 is: 1,072,994,215.44
Step by Step Solution
- Step 1: Write the proportion equation
2,042,140,987.26 : 3,064,102,471.98 = 715,121,470.80 : x - Step 2: Convert to fraction form
2,042,140,987.26/3,064,102,471.98 = 715,121,470.80/x - Step 3: Cross multiply
2,042,140,987.26x = 3,064,102,471.98 × 715,121,470.80 - Step 4: Simplify right side
2,042,140,987.26x = 2,191,205,466,444,253,184 - Step 5: Solve for x
x = 2,191,205,466,444,253,184/2,042,140,987.26 - Step 6: Final answer
x = 1,072,994,215.44
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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.