Finding the Fourth Proportional to 970,848,035.70, 1,456,272,053.55 and 324,615,779.70
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Solution
The fourth proportional to 970,848,035.70, 1,456,272,053.55 and 324,615,779.70 is: 486,923,669.55
Step by Step Solution
- Step 1: Write the proportion equation
970,848,035.70 : 1,456,272,053.55 = 324,615,779.70 : x - Step 2: Convert to fraction form
970,848,035.70/1,456,272,053.55 = 324,615,779.70/x - Step 3: Cross multiply
970,848,035.70x = 1,456,272,053.55 × 324,615,779.70 - Step 4: Simplify right side
970,848,035.70x = 472,728,888,118,453,376 - Step 5: Solve for x
x = 472,728,888,118,453,376/970,848,035.70 - Step 6: Final answer
x = 486,923,669.55
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Double scale
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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.