Finding the Fourth Proportional to 4,326,149,125.10, 6,489,152,774.12 and 1,378,388,699.48
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Solution
The fourth proportional to 4,326,149,125.10, 6,489,152,774.12 and 1,378,388,699.48 is: 2,067,560,454.90
Step by Step Solution
- Step 1: Write the proportion equation
4,326,149,125.10 : 6,489,152,774.12 = 1,378,388,699.48 : x - Step 2: Convert to fraction form
4,326,149,125.10/6,489,152,774.12 = 1,378,388,699.48/x - Step 3: Cross multiply
4,326,149,125.10x = 6,489,152,774.12 × 1,378,388,699.48 - Step 4: Simplify right side
4,326,149,125.10x = 8,944,574,853,046,300,672 - Step 5: Solve for x
x = 8,944,574,853,046,300,672/4,326,149,125.10 - Step 6: Final answer
x = 2,067,560,454.90
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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.