Finding the Fourth Proportional to 393,973,235.04, 590,989,556.88 and 117,602,617.44
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Solution
The fourth proportional to 393,973,235.04, 590,989,556.88 and 117,602,617.44 is: 176,412,793.02
Step by Step Solution
- Step 1: Write the proportion equation
393,973,235.04 : 590,989,556.88 = 117,602,617.44 : x - Step 2: Convert to fraction form
393,973,235.04/590,989,556.88 = 117,602,617.44/x - Step 3: Cross multiply
393,973,235.04x = 590,989,556.88 × 117,602,617.44 - Step 4: Simplify right side
393,973,235.04x = 69,501,918,768,793,760 - Step 5: Solve for x
x = 69,501,918,768,793,760/393,973,235.04 - Step 6: Final answer
x = 176,412,793.02
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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.