Finding the Fourth Proportional to 248,854,577.40, 373,281,866.10 and 197,458,327.80
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Solution
The fourth proportional to 248,854,577.40, 373,281,866.10 and 197,458,327.80 is: 296,187,491.70
Step by Step Solution
- Step 1: Write the proportion equation
248,854,577.40 : 373,281,866.10 = 197,458,327.80 : x - Step 2: Convert to fraction form
248,854,577.40/373,281,866.10 = 197,458,327.80/x - Step 3: Cross multiply
248,854,577.40x = 373,281,866.10 × 197,458,327.80 - Step 4: Simplify right side
248,854,577.40x = 73,707,613,078,169,520 - Step 5: Solve for x
x = 73,707,613,078,169,520/248,854,577.40 - Step 6: Final answer
x = 296,187,491.70
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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.