Finding the Fourth Proportional to 295,121,779.40, 442,950,357.90 and 149,656,536.20
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Solution
The fourth proportional to 295,121,779.40, 442,950,357.90 and 149,656,536.20 is: 224,620,549.55
Step by Step Solution
- Step 1: Write the proportion equation
295,121,779.40 : 442,950,357.90 = 149,656,536.20 : x - Step 2: Convert to fraction form
295,121,779.40/442,950,357.90 = 149,656,536.20/x - Step 3: Cross multiply
295,121,779.40x = 442,950,357.90 × 149,656,536.20 - Step 4: Simplify right side
295,121,779.40x = 66,290,416,271,864,296 - Step 5: Solve for x
x = 66,290,416,271,864,296/295,121,779.40 - Step 6: Final answer
x = 224,620,549.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.