Finding the Fourth Proportional to 664,848,315.70, 997,272,473.55 and 302,051,259.70
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Solution
The fourth proportional to 664,848,315.70, 997,272,473.55 and 302,051,259.70 is: 453,076,889.55
Step by Step Solution
- Step 1: Write the proportion equation
664,848,315.70 : 997,272,473.55 = 302,051,259.70 : x - Step 2: Convert to fraction form
664,848,315.70/997,272,473.55 = 302,051,259.70/x - Step 3: Cross multiply
664,848,315.70x = 997,272,473.55 × 302,051,259.70 - Step 4: Simplify right side
664,848,315.70x = 301,227,406,899,912,384 - Step 5: Solve for x
x = 301,227,406,899,912,384/664,848,315.70 - Step 6: Final answer
x = 453,076,889.55
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Similar ratio
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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.