Finding the Fourth Proportional to 408,621,092.99, 563,909,020.58 and 222,994,066.10
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Solution
The fourth proportional to 408,621,092.99, 563,909,020.58 and 222,994,066.10 is: 307,738,312.02
Step by Step Solution
- Step 1: Write the proportion equation
408,621,092.99 : 563,909,020.58 = 222,994,066.10 : x - Step 2: Convert to fraction form
408,621,092.99/563,909,020.58 = 222,994,066.10/x - Step 3: Cross multiply
408,621,092.99x = 563,909,020.58 × 222,994,066.10 - Step 4: Simplify right side
408,621,092.99x = 125,748,365,411,570,032 - Step 5: Solve for x
x = 125,748,365,411,570,032/408,621,092.99 - Step 6: Final answer
x = 307,738,312.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.