Finding the Fourth Proportional to 854,650,355.70, 1,283,319,226.35 and 491,853,299.70
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Solution
The fourth proportional to 854,650,355.70, 1,283,319,226.35 and 491,853,299.70 is: 738,553,247.93
Step by Step Solution
- Step 1: Write the proportion equation
854,650,355.70 : 1,283,319,226.35 = 491,853,299.70 : x - Step 2: Convert to fraction form
854,650,355.70/1,283,319,226.35 = 491,853,299.70/x - Step 3: Cross multiply
854,650,355.70x = 1,283,319,226.35 × 491,853,299.70 - Step 4: Simplify right side
854,650,355.70x = 631,204,796,048,698,624 - Step 5: Solve for x
x = 631,204,796,048,698,624/854,650,355.70 - Step 6: Final answer
x = 738,553,247.93
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1.5x scale
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.