Finding the Fourth Proportional to 708,620,361.48, 1,062,837,221.76 and 210,620,245.08
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Solution
The fourth proportional to 708,620,361.48, 1,062,837,221.76 and 210,620,245.08 is: 315,902,630.37
Step by Step Solution
- Step 1: Write the proportion equation
708,620,361.48 : 1,062,837,221.76 = 210,620,245.08 : x - Step 2: Convert to fraction form
708,620,361.48/1,062,837,221.76 = 210,620,245.08/x - Step 3: Cross multiply
708,620,361.48x = 1,062,837,221.76 × 210,620,245.08 - Step 4: Simplify right side
708,620,361.48x = 223,855,036,127,237,536 - Step 5: Solve for x
x = 223,855,036,127,237,536/708,620,361.48 - Step 6: Final answer
x = 315,902,630.37
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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.