Finding the Fourth Proportional to 845,782,900.68, 1,269,919,741.68 and 473,021,112.36
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Solution
The fourth proportional to 845,782,900.68, 1,269,919,741.68 and 473,021,112.36 is: 710,228,178.34
Step by Step Solution
- Step 1: Write the proportion equation
845,782,900.68 : 1,269,919,741.68 = 473,021,112.36 : x - Step 2: Convert to fraction form
845,782,900.68/1,269,919,741.68 = 473,021,112.36/x - Step 3: Cross multiply
845,782,900.68x = 1,269,919,741.68 × 473,021,112.36 - Step 4: Simplify right side
845,782,900.68x = 600,698,848,817,397,504 - Step 5: Solve for x
x = 600,698,848,817,397,504/845,782,900.68 - Step 6: Final answer
x = 710,228,178.34
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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.