Finding the Fourth Proportional to 1,753,504,638.52, 2,630,235,010.56 and 425,543,677.15
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Solution
The fourth proportional to 1,753,504,638.52, 2,630,235,010.56 and 425,543,677.15 is: 638,310,189.53
Step by Step Solution
- Step 1: Write the proportion equation
1,753,504,638.52 : 2,630,235,010.56 = 425,543,677.15 : x - Step 2: Convert to fraction form
1,753,504,638.52/2,630,235,010.56 = 425,543,677.15/x - Step 3: Cross multiply
1,753,504,638.52x = 2,630,235,010.56 × 425,543,677.15 - Step 4: Simplify right side
1,753,504,638.52x = 1,119,279,878,162,371,456 - Step 5: Solve for x
x = 1,119,279,878,162,371,456/1,753,504,638.52 - Step 6: Final answer
x = 638,310,189.53
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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.