Finding the Fourth Proportional to 1,719,565,809.68, 2,579,503,614.36 and 555,061,909.52
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Solution
The fourth proportional to 1,719,565,809.68, 2,579,503,614.36 and 555,061,909.52 is: 832,642,864.69
Step by Step Solution
- Step 1: Write the proportion equation
1,719,565,809.68 : 2,579,503,614.36 = 555,061,909.52 : x - Step 2: Convert to fraction form
1,719,565,809.68/2,579,503,614.36 = 555,061,909.52/x - Step 3: Cross multiply
1,719,565,809.68x = 2,579,503,614.36 × 555,061,909.52 - Step 4: Simplify right side
1,719,565,809.68x = 1,431,784,201,800,403,200 - Step 5: Solve for x
x = 1,431,784,201,800,403,200/1,719,565,809.68 - Step 6: Final answer
x = 832,642,864.69
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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.