Finding the Fourth Proportional to 2,125,771,637.80, 3,188,657,456.70 and 2,080,422,005.80
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Solution
The fourth proportional to 2,125,771,637.80, 3,188,657,456.70 and 2,080,422,005.80 is: 3,120,633,008.70
Step by Step Solution
- Step 1: Write the proportion equation
2,125,771,637.80 : 3,188,657,456.70 = 2,080,422,005.80 : x - Step 2: Convert to fraction form
2,125,771,637.80/3,188,657,456.70 = 2,080,422,005.80/x - Step 3: Cross multiply
2,125,771,637.80x = 3,188,657,456.70 × 2,080,422,005.80 - Step 4: Simplify right side
2,125,771,637.80x = 6,633,753,141,876,939,776 - Step 5: Solve for x
x = 6,633,753,141,876,939,776/2,125,771,637.80 - Step 6: Final answer
x = 3,120,633,008.70
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1.5x scale
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.