Finding the Fourth Proportional to 556,652,586.18, 768,159,523.71 and 309,149,883.66
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Solution
The fourth proportional to 556,652,586.18, 768,159,523.71 and 309,149,883.66 is: 426,615,151.50
Step by Step Solution
- Step 1: Write the proportion equation
556,652,586.18 : 768,159,523.71 = 309,149,883.66 : x - Step 2: Convert to fraction form
556,652,586.18/768,159,523.71 = 309,149,883.66/x - Step 3: Cross multiply
556,652,586.18x = 768,159,523.71 × 309,149,883.66 - Step 4: Simplify right side
556,652,586.18x = 237,476,427,387,267,552 - Step 5: Solve for x
x = 237,476,427,387,267,552/556,652,586.18 - Step 6: Final answer
x = 426,615,151.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.