Finding the Fourth Proportional to 9,342,398,297.99, 12,891,122,759.09 and 5,674,165,793.15
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Solution
The fourth proportional to 9,342,398,297.99, 12,891,122,759.09 and 5,674,165,793.15 is: 7,829,506,456.67
Step by Step Solution
- Step 1: Write the proportion equation
9,342,398,297.99 : 12,891,122,759.09 = 5,674,165,793.15 : x - Step 2: Convert to fraction form
9,342,398,297.99/12,891,122,759.09 = 5,674,165,793.15/x - Step 3: Cross multiply
9,342,398,297.99x = 12,891,122,759.09 × 5,674,165,793.15 - Step 4: Simplify right side
9,342,398,297.99x = 73,146,367,794,878,504,960 - Step 5: Solve for x
x = 73,146,367,794,878,504,960/9,342,398,297.99 - Step 6: Final answer
x = 7,829,506,456.67
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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.