Finding the Fourth Proportional to 587,159,201.80, 880,738,802.70 and 393,667,438.60
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Solution
The fourth proportional to 587,159,201.80, 880,738,802.70 and 393,667,438.60 is: 590,501,157.90
Step by Step Solution
- Step 1: Write the proportion equation
587,159,201.80 : 880,738,802.70 = 393,667,438.60 : x - Step 2: Convert to fraction form
587,159,201.80/880,738,802.70 = 393,667,438.60/x - Step 3: Cross multiply
587,159,201.80x = 880,738,802.70 × 393,667,438.60 - Step 4: Simplify right side
587,159,201.80x = 346,718,188,534,539,776 - Step 5: Solve for x
x = 346,718,188,534,539,776/587,159,201.80 - Step 6: Final answer
x = 590,501,157.90
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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.