Finding the Fourth Proportional to 415,563,762.42, 573,338,744.10 and 239,348,230.02
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Solution
The fourth proportional to 415,563,762.42, 573,338,744.10 and 239,348,230.02 is: 330,220,356.08
Step by Step Solution
- Step 1: Write the proportion equation
415,563,762.42 : 573,338,744.10 = 239,348,230.02 : x - Step 2: Convert to fraction form
415,563,762.42/573,338,744.10 = 239,348,230.02/x - Step 3: Cross multiply
415,563,762.42x = 573,338,744.10 × 239,348,230.02 - Step 4: Simplify right side
415,563,762.42x = 137,227,613,602,224,736 - Step 5: Solve for x
x = 137,227,613,602,224,736/415,563,762.42 - Step 6: Final answer
x = 330,220,356.08
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.