Finding the Fourth Proportional to 783,609,246.26, 1,081,348,287.28 and 426,378,497.84
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Solution
The fourth proportional to 783,609,246.26, 1,081,348,287.28 and 426,378,497.84 is: 588,384,658.00
Step by Step Solution
- Step 1: Write the proportion equation
783,609,246.26 : 1,081,348,287.28 = 426,378,497.84 : x - Step 2: Convert to fraction form
783,609,246.26/1,081,348,287.28 = 426,378,497.84/x - Step 3: Cross multiply
783,609,246.26x = 1,081,348,287.28 × 426,378,497.84 - Step 4: Simplify right side
783,609,246.26x = 461,063,658,365,830,400 - Step 5: Solve for x
x = 461,063,658,365,830,400/783,609,246.26 - Step 6: Final answer
x = 588,384,658.00
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1.5x scale
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.