Finding the Fourth Proportional to 5,316,729,767.28, 7,337,505,327.56 and 3,027,958,753.12
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Solution
The fourth proportional to 5,316,729,767.28, 7,337,505,327.56 and 3,027,958,753.12 is: 4,178,821,278.33
Step by Step Solution
- Step 1: Write the proportion equation
5,316,729,767.28 : 7,337,505,327.56 = 3,027,958,753.12 : x - Step 2: Convert to fraction form
5,316,729,767.28/7,337,505,327.56 = 3,027,958,753.12/x - Step 3: Cross multiply
5,316,729,767.28x = 7,337,505,327.56 × 3,027,958,753.12 - Step 4: Simplify right side
5,316,729,767.28x = 22,217,663,482,649,935,872 - Step 5: Solve for x
x = 22,217,663,482,649,935,872/5,316,729,767.28 - Step 6: Final answer
x = 4,178,821,278.33
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1.5x scale
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.