Finding the Fourth Proportional to 512,205,593.66, 768,256,683.74 and 347,268,130.80
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Solution
The fourth proportional to 512,205,593.66, 768,256,683.74 and 347,268,130.80 is: 520,867,139.76
Step by Step Solution
- Step 1: Write the proportion equation
512,205,593.66 : 768,256,683.74 = 347,268,130.80 : x - Step 2: Convert to fraction form
512,205,593.66/768,256,683.74 = 347,268,130.80/x - Step 3: Cross multiply
512,205,593.66x = 768,256,683.74 × 347,268,130.80 - Step 4: Simplify right side
512,205,593.66x = 266,791,062,536,996,576 - Step 5: Solve for x
x = 266,791,062,536,996,576/512,205,593.66 - Step 6: Final answer
x = 520,867,139.76
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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.