Finding the Fourth Proportional to 1,857,492,485.10, 2,786,238,727.65 and 1,715,438,305.80
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Solution
The fourth proportional to 1,857,492,485.10, 2,786,238,727.65 and 1,715,438,305.80 is: 2,573,157,458.70
Step by Step Solution
- Step 1: Write the proportion equation
1,857,492,485.10 : 2,786,238,727.65 = 1,715,438,305.80 : x - Step 2: Convert to fraction form
1,857,492,485.10/2,786,238,727.65 = 1,715,438,305.80/x - Step 3: Cross multiply
1,857,492,485.10x = 2,786,238,727.65 × 1,715,438,305.80 - Step 4: Simplify right side
1,857,492,485.10x = 4,779,620,642,514,264,064 - Step 5: Solve for x
x = 4,779,620,642,514,264,064/1,857,492,485.10 - Step 6: Final answer
x = 2,573,157,458.70
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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.