Finding the Fourth Proportional to 512,243,646.09, 768,250,471.17 and 235,629,196.08
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Solution
The fourth proportional to 512,243,646.09, 768,250,471.17 and 235,629,196.08 is: 353,390,895.70
Step by Step Solution
- Step 1: Write the proportion equation
512,243,646.09 : 768,250,471.17 = 235,629,196.08 : x - Step 2: Convert to fraction form
512,243,646.09/768,250,471.17 = 235,629,196.08/x - Step 3: Cross multiply
512,243,646.09x = 768,250,471.17 × 235,629,196.08 - Step 4: Simplify right side
512,243,646.09x = 181,022,240,909,868,320 - Step 5: Solve for x
x = 181,022,240,909,868,320/512,243,646.09 - Step 6: Final answer
x = 353,390,895.70
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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.