Finding the Fourth Proportional to 847,149,159.80, 1,270,723,739.70 and 301,693,863.80
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Solution
The fourth proportional to 847,149,159.80, 1,270,723,739.70 and 301,693,863.80 is: 452,540,795.70
Step by Step Solution
- Step 1: Write the proportion equation
847,149,159.80 : 1,270,723,739.70 = 301,693,863.80 : x - Step 2: Convert to fraction form
847,149,159.80/1,270,723,739.70 = 301,693,863.80/x - Step 3: Cross multiply
847,149,159.80x = 1,270,723,739.70 × 301,693,863.80 - Step 4: Simplify right side
847,149,159.80x = 383,369,554,852,478,464 - Step 5: Solve for x
x = 383,369,554,852,478,464/847,149,159.80 - Step 6: Final answer
x = 452,540,795.70
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1.5x scale
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.