Finding the Fourth Proportional to 540,060,941.12, 745,287,676.80 and 292,542,293.12
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Solution
The fourth proportional to 540,060,941.12, 745,287,676.80 and 292,542,293.12 is: 403,710,302.68
Step by Step Solution
- Step 1: Write the proportion equation
540,060,941.12 : 745,287,676.80 = 292,542,293.12 : x - Step 2: Convert to fraction form
540,060,941.12/745,287,676.80 = 292,542,293.12/x - Step 3: Cross multiply
540,060,941.12x = 745,287,676.80 × 292,542,293.12 - Step 4: Simplify right side
540,060,941.12x = 218,028,166,005,149,408 - Step 5: Solve for x
x = 218,028,166,005,149,408/540,060,941.12 - Step 6: Final answer
x = 403,710,302.68
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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.