Finding the Fourth Proportional to 1,510,885,422.40, 2,266,351,623.19 and 447,415,847.79
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Solution
The fourth proportional to 1,510,885,422.40, 2,266,351,623.19 and 447,415,847.79 is: 671,130,727.62
Step by Step Solution
- Step 1: Write the proportion equation
1,510,885,422.40 : 2,266,351,623.19 = 447,415,847.79 : x - Step 2: Convert to fraction form
1,510,885,422.40/2,266,351,623.19 = 447,415,847.79/x - Step 3: Cross multiply
1,510,885,422.40x = 2,266,351,623.19 × 447,415,847.79 - Step 4: Simplify right side
1,510,885,422.40x = 1,014,001,632,885,981,184 - Step 5: Solve for x
x = 1,014,001,632,885,981,184/1,510,885,422.40 - Step 6: Final answer
x = 671,130,727.62
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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.